Playmoney games are only good for learnings the rules IMO. If you like SnGs why don't you deposit $50 to PokerStars and play $1 SnGs there? Consider it your learning money. I did the same about 3 months ago. I busted the money eventually, read 2 poker books, deposited some more and now I'm with ~$850 bankroll doing fairly well in micro limit ring games.