It's possible to be seeing crap for posts on this thing.
For what I used to do, gaming not heavy gaming like some of the system hogs they had out back when say the 3400 was killer, I had no problems with it pair on asus 38n board and 2 gigs 6400 I think.
What kind of games will you be playing on this computer? That will help out alot as the what route you need to take.
Another point with the 5200 people have reported OCing up to 3.2 on stock fan, though are to believe since well, it's amd on stock cooler