I forgot to mention I don't need a gaming rig. Just run basic programs simultaneously like Word, Firefox, Excel, & Adobe Reader, etc.
Your main issue with your current pc is RAM/ memory . You have 1 gig installed . If you can find a 2 x1 gig kit of DDR2 cheaply that will cure the lagging problem you are having
Ah, ok. What about the gpu? Isn't it too hot? Will video still be choppy with new ram? Also, you don't think I should just upgrade the mobo to get ddr3 ram? Is there a big difference between ddr3 and ddr2? Would the newer cpu make a difference for what I'm doing?
Thank you both for your help.