I am getting a new video card and would like to know what one to get i see these two will fit my system what one would be the best for Gaming? GeForce 9500 GT 512MB 128-bit DDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported // GeForce 9500 GT 1GB 128-bit GDDR2 PCI Express 2.0 x16 The 512MB is $10 more then the 1GB i don't get that.