I have a dell dimension C521. i bought a sunbeam 480 watt power supply and a radeon 5450 silent 512mb. I was wondering what is the best upgrade for this PC it is a AM2. i searched around and dont know if these are any good?
http://www.geeks.com/details.asp?InvtId=ADO5000IAA5DO-R
http://www.geeks.com/details.asp?invtid=ADO4800IAA5DO-R&cat=CPU
http://www.geeks.com/details.asp?InvtId=ADO5000IAA5DO-R
http://www.geeks.com/details.asp?invtid=ADO4800IAA5DO-R&cat=CPU