Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
There might be a bit of good news for you. According to maccentral, the lawsuit filed by g3 mac owners over os x performance has been settled. Sounds like you might qualify as part of the settlement group entitling you to $129 refund for your purchase of os x.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.