(This is Mary.) For people who know me, it might come as a surprise that I would go see "Tropic Thunder." I tend to like more sophisticated humor, like Woody Allen in his prime ("Hannah and her Sisters," "Manhattan," "Annie Hall" -- though I do love "Sleeper").
PC: Yes, I get it. But satire: I get that, too. It seems to be lost on many people these days, apparently (either that, or they simply haven't seen the movie). Jeff recommends you see the silly "controversy" explored on this CNN spot provided by YouTube.
If for nothing else, go see "Tropic Thunder" to watch Robert Downey, Jr. And can I just say, for the record, that I'm glad he's still alive and working? The guy is in a different league, and it's nice to see him on screen and having a good time. Let that be a lesson to all of us: It's not a crime to have a good time and laugh! (Especially when the joke's on Hollywood. I hope Ben Stiller gets another job after this ...)