I'm a druid who totally agrees you man.  I get so sick of getting tells from groups begging me to join only to hear, "just sit in a corner and heal and battle-rez, kthx."
    But to be quite frank this set is geared for warlocks, and you'd do just as well to go for the Devout set as a shadow priest.  A warlock shouldn't ninja a Devout Set item from a priest, and a priest shouldn't ninja an item from this set from a 'lock... end of story.