USAFRet :
What are the specs on your current machine? Knowing that, we can probably determine if some new part is needed, or recommend you spend that $40 on pizza and beer.
Current set-up
Motherboard: ASrock FM2A55M-VG3+
CPU: AMD A-6-5400k @4.0ghz 1.38v
CPU cooler: OEM
RAM: G.SKILL Eco 1600mhz 4gb (2x2gb)
PSU: Corsair CX500 non modular 500watt
Case: OEM Premio
anything else you need to know?