I'm new to this stuff, and i need to know which is better. I have a Radeon CX1650 pro AGB 8x with 512 MB ram in it. I am wndering if I should upgrade to a HIS Radeon X1650 Pro. at http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=2687691&CatId=318. Will it be any better? oh and the RAM in my vid card is ddr2. Thanks