Motherboard is an ASUS M3A78-EM
I'm overclocked to 2.63ghz now, but still no improvement.
Thanks for all the help!
Well good news is that as long as you update your bios to the latest, you can get any of the newest AM3 cpu (phenom II's and Athlon II's).http://asus.com/product.aspx?P_ID=KjpYqzmAd9vsTM2D
(providing i have the correct MB)
now i would do what omgitzfatal is saying first before throwing money at the problem.
Question, can you give us your HDD brand, model number, and (if possible) how old is it? this may not be causing the problem, but a slow and old HDD could be causing the slow down.