If you are serious about OC'ing there was a master OC person who recently left this team but he left some great insight into our forums.

http://www.amdusers.com/modules.php?...ewtopic&t=2492

Also this outside link has some great assistance and advice for the beginner to the mild and even some of us high revvvers!
http://www.madshrimps.be/?action=gethowto&howtoID=43
((Don't let the old date fool you, this is serious techno wizardry explained in detail))