Out now. Trailer here:-
http://www.youtube.com/watch?v=kEIVPiTuYkQWent and saw it the other day, and have mixed feelings. Enjoyed it on its own terms, albeit I thought it was a bit slow to get started. Loved the humour, loved Downey as Stark, and some spectacular battle scenes. But as a long time Marvel fan with a couple of hundred issues of the comic in a box somewhere I felt a tad pissed at one of the plot developments, though I can't elaborate without spoilers.
Think I caught Stan Lee as a beauty pageant judge holding up a score of '10'.