Slashdot ran this story earlier (just noticed it). Apparently a group of scholars at MIT have been conducting research into the effect violent games have on kids. Sif ban violent video games :P
http://www.vnunet.com/News/1135410
Always knew violent games were good
2 public posts in this discussion.
Post 2
Yep, games do provide a vent for aggression.
After two days of back-to-back trial exams nothing is better than loading up a game and killing stuff. Helps get all the accumulated frustration and whatnot out of ya.