It's just I'm planning to change my current CPU (X2@2.91GHZ) with a Phenom stepping B3, I think with the 9550/9650 model.....wonder if It will be a healthy upgrade???? But the important thing It's that I WANNA KEEP my current mobo, a Gigabyte M57SLI-S4 that ,for the last I read, if I update the BIOS I can put an AM2+ CPU into my AM2 socket just lowering the HT speed from 3600 to 2000MHZ...so the question is IF are other changes beside the HT link?????....I know the Phenom line aren't good OCkers but I readed that part of the OCking performance depends on the motherboard's chipset, so I wanna ask you If you know how much OCking capabilities my 570SLI chipset will have (talking about the Phenom Line)????. and finally I'm always wandered WHERE Intel and AMD take the names to their CPU's cores (Presscot, manila, Yorkfield, etc)????....maybe It's just a very noob question but I can found any clue about that. Again thanks for your always support.