For those of you who have picked it up, what is the proc rate? Any results would be appreciated.

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Please post some information regarding the item in question, instead of what you plan to do with it.

This dropped for me off an Ashtounge Worker in Shadowmoon Valley. I'd say the proc rate is somewhere between 5-10%, so its pretty useful.

5% over 1,000 Attacks. Not bound to ppm or the like (as far as I can tell)

This sword is absolutely insane. I got it 2 days ago on Ragnaros EU, and I'm laughing my ass off.

What makes it so insane, is that it works how sword spec USED to. Sword spec used to enable rogues to chain proc sword spec from extra attacks already granted by sword spec. This meant that lucky rogues could get 4/5 extra attacks on one swing (insane).

I can't remember what patch it was but they nerfed it so that you couldn't do that.

BUT YOU CAN WITH THIS. My record so far is 3 extra attacks on one swing, but I'm guessing at some point i'll get the lucky 4/5.

This sword is an absolutely insane main hand sword for any combat rogue, and it's dual-wieldable. I mean... what the hell.

Got It from Trash in Halls ...
Nice upgrade from Hwl Sword !
I have Blinkstrike , i use it , i love it .
Sinister Strikes goes for 1200 (Crits) on Cloth and 900 (Crits) in 5-men .
The damge \ Dps is the same as the Aldor Sword but i find the Proc more usefull .

Oh and about the Proc , its isane ,it can Proc-from-Proc
JUST LOOK !

http://img489.imageshack.us/my.php?image=coolblinkab2.jpg

Although not officially tested, after farming for about 10 hours and observing how it works, the Blinkstrike proc occurs just as often as sword specialization.  Utilizing this sword in the mainhand gives an effective 10% chance per swing to get an extra swing.

Like said above, Blinkstrike brings back the proc-from-proc effect of old sword specialization.  It is possible to have multiple free swings from an initial opening swing.

okay, as its a thottbot comment requirement, here goes: this weapon should only be available and is useless to any class but <please insert own class> and is far easier to get on <please insert opposing faction> because they are extremely overpowered and favoured by blizzard which is why i always lose, rather than my character just being suck-ass.

this dropped in sethekk halls for me, being a sword spec rogue, i told the team  i needed it , everyone agreed , so i rolled needi got a 76, then this freakign hunter decides its a " close range hunter" and rolls a 99 on it!! done with random groups from now on =*(

I was very lucky today ,this dropped in shadow labs but the grouped would not give it to me .I am rogue and the other 4 where 2 druids,hunter,and a shadow priest even though no one could use it they insisted that it would be a ffa roll because it sells for so much on bloodhoof . I rolled a 20 curse words started flying, shadow priest won.He whispered to me calm down and then opened his trade window and there it was ! Blinkstrike so i gladly took it and gave him a little gold for his generosity. A few minutes later he whispered me and told me that he was sick to his stomache that he gave it to me because he just found out it sells for half of a flying mount.

Blinkstrike + sword spec + slice and dice + mongoose+ Dragonspine Trophy + Blade Flurry = nice dps
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Blinkstrike + sword spec + Death Wish + mongoose+ Dragonspine Trophy + Flurry = also nice dps

No more to say

Last night was a good night for Blinkstrike :D

Umm, damn. I just got Blinkstrike last night and already had Latro's. I am amazed at the kill efficiency. Combat log shows 2 procs a fight when ever I check. As a combat/sword spec I see 1 extra attack from that. I have mongoose on both and  after I pop my abacus I am amazed I don't start levitating from these huge swords swinging so fast.

LOL i finally got my first BOE world drop, and a 70!  got it in Shadow Labs off a trash mob. We had a pally a priest a me(Fury warrior) a mage and idk some other caster... so we all rolled and i got it! i dont give a dam about how much i could sell this for or blah blah blah...i used this baby. I haven't ever gotten so much dps in my life. AND this thing procs like twice per fight and it bursts in a way, but a GREAT fury wep.

This sword is meant to be for a combat sword specced rogue. POINT! All other ppl who roll on it are just greedy. I admit that fury warrior could use it quite efficiently too, but it's nothing compared to rogue. I dont't have a lvl 70 rogue, but when one of my guildmates, a combat sword rogue recieved it, i saw his raid dps climbing REALLY high (about 10 % higher than his previous dps numbers, and he had only epic equipment). So if you have a rogue in your party, give this sword to him, your guild will benefit from it.

I can see there is alot about this weapon that could still use some clarification, so here I go:

Q: What is the proc rate of this weapon?
A: 5%

Q: What is the average price I can buy this weapon at?
A: Depends on the market and the seller, but an average price would be about 700-900 gold. I got mine for 800.

Q: If I equip this weapon in the offhand, will the procs be done by the main or offhand.
A: All procs from Blinkstrike, regardless if it's in the MH or OH, as well as the procs from Sword Mastery(war and rogue) are MH attacks. So your offhand will never make the extra strikes.

Q: What are the disadvantages of using this weapon?
A: Blinkstrike has relatively low DPS-81.7(compared to other epic weapons) as well as no other bonuses to stats or rating, nor does it have sockets.

Q: What are the advantages of this weapon?
A: Well, 5% more hits should be looked at as a 5% boost to all your stats and ratings. Basically it's 5% added to the white DPS. It dosn't just raise the damage, but also the hit rating, because you do more strikes that have an increased chance to strike.

Q: Should I dualwield this weapon?
A: Here, it's a bit controversial. Dual wielding Blinkstrikes has its own advantages and disadvantages. In the case of a warrior it's quite simple. More hits=more rage, no major disadvantages.
The rogues does encounter a problem with it. The usual 20/41/0 Combat spec dosn't work well with it because it's a slow weapon and the 5 talent points in Combat Potency are effectively lost. I went for a 30/31/0 spec, reaching Seal Fate and maximized this weapon's effectiveness, while having a lot of great abilities like Bflurry, AR, CB and ofc Seal Fate. The good thing about this spec is that Seal Fate allows you to do alot of finishing moves and also you can get 5 combo points in 3 seconds with siniter strikes, allowing you to use SnD right at once. The great thing about using 2x BS is that, along with Sword Spec, you get to do an additional 15% more white attacks, a great deal of DPS.
I've been using this spec for some time now and I can say it works great, but don't expect any praises. I got alot of random flames on using it as an OH, because people just don't take time to understand the strategy.

Q: What should I enchant this weapon with?
A: Well the main hand will be doing a lot of attacks(my main hand strikes like crazy with these) so a triggerable enchant such as Mongoose or Executioner works great. The OH will do a lot less attacks so a stat bonus such as +agi would be best on this one. A second mongoose would work fine too.

Well, I hope this helps someone in search of info:).
It's a great weapon, with the unique posibility of killing a mob in 1 second from procs alone( 0.08% chance, but happened a few times, I got a sinister, MH, OH hit and 3 procs on a mob and it died instantly).
Good luck!