I don't limit, either. I'm definitely one of those weird moms. :-) I'm an unashamed games addict myself, so I just keep an eye on whether he's getting "hooked" by something in an unhealthy way. Otherwise, he plays Nintendo or Playstation or on his computer however much he wants, but he wanders in and out of all those pretty steadily, and he also plays outside with his friends and reads books and designs games and stuff. As long as I can pry him out of something pretty easily, I don't worry about it.