Must be honest ... haven't play a lot of these ... sucks when real life gets in the way of gaming. But I really enjoyed Most Wanted so it gets my vote. Must be nostalgic for Burnout Paradise.
It's really hard to choose between Borderlands 2 and Far Cry 3, but I think I'll stick to Borderlands 2 since I know I will still play it a crapload of times in the near future whereas I doubt I'll play Far Cry 3 again soon after I finish it.
I would have to say Far Cry 3.
Best antagonist in a game I've seen so far.
SUPERB voice acting (for a game that doesn't need such great voice acting to begin with).
Stunning visuals.