Saw this last night directly following Ironman as a double feature.
It's just as awesome as the first. Downey rocks as Stark. Paltrow was way more assertive this time around. Rourke always kinda scares me so he didn't disappoint as the bad guy.
The one slight disappointment was the replacement of Terrance Howard by Don Cheadle. He did a good job, but it was just different.
Anyway, HUGE thumbs up! I plan to see it again! =)