I saw the Hangover and X-Men this weekend (a very rainy weekend, had to do something). I really enjoyed X-Men. Like many of the reviews have said, the guy who played Magneto is going to be making a name for himself shortly. He was really good. I wasn't too crazy about the whole Mystique subplot, but it worked out well enough, so I can't complain.
Oh, and the cameo was hilarious.