Naw, what would be the fun in that? Besides, I need to get out all my mistakes now so I can make even more stupid ones later. Can't do that if all the base training is already done. I'd have to go do crate games with my sister or something to make sure I get all my newb "Ooooh, shouldn't have done that" out.
In all seriousness I don't think I would enjoy it since I much prefer the act of training to the act of competing. Way less stressful and way more fun.
Could really see the market though.