I enjoyed the first one, despite it's flaws. Bought the second one when it first came out and didn't care for it at the time. Started playing it again recently because the third one's coming out, and got farther into it, but I crapped out again. There are aspects of it that are really cool, but sadly they just don't outweigh the annoying crap. The last straw was the groups of musicians who'll congregate around the assassin while he's walking through the crowd on a timed mission. Made no sense - I can sneak past guards, but not a bunch of queerbait troubadours?
I won't be playing the third one.