Well i think its the best thing to do to make my computer faster/less lag with games, heres the specs of current-
Windows vista premium
4Gb of ram
Amd phenom 9150e quad core processor
Ati radeon hd 3200 graphics card
Im thinking of getting this first-
Amazon.com: AMD Phenom II X2 555 Black Edition Callisto 3.2 GHz 2x512 KB L2 Cache Socket AM3 80W Dual-Core Processor - Retail HDZ555WFBGMBOX: Electronics
But will it work with my computer without changing the power supply/mother board.

Windows vista premium
4Gb of ram
Amd phenom 9150e quad core processor
Ati radeon hd 3200 graphics card
Im thinking of getting this first-

But will it work with my computer without changing the power supply/mother board.