im running a GA-Ma770/DS3 motherboard / 1 250 seagate harddrive / 1 dvd rom and burner / 1 agi 580 power supply / gtx 260-216 576 core/ looking to upgrade my processor that i have which is amd dual core 4000 i do not oc my products and this computer is used for gaming as well as everday use but mostley for gaming have 80 to 150 dollar limit but would like to stay around the 100 dollar range this is a AM2+motherboard that can be bios updated to support AM3 please help on what i should get looking for the best bang for the buck thank you