PGL is fun; only noobs and they all suck; though its not pro, its still a league but a minor one at that.
It's good if you wanna get to 1# on a chart for a few days but the staff are stupid and you can fake wins.
http://ipwn.tv/register.php The only A.M. oriented non profit tournament host. They have held 4 free entry over $200 in prize tournaments in the last few weeks. Payouts are instant, and its a real business not a bunch of teenagers thieving money.