What is the best i mean the best computer that i can buy for my personal home computer, i meam the best?

Oh,....I thought you were talking about the BEST personal computer you could buy, The Nvidia Tesla 20 Series of personal supercomputers, http://www.nvidia.com/object/personal-supercomputing.html As for the 'Best bang for the Buck' for a Desktop PC, and in the top range of $500.00, there are several you may wish to look at, 1) http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1188416&Sku=G180-140001 Windows 7 Home Premium, and the 64-bit version. AMD A6-3600 Quad Core processor, [ http://en.wikipedia.org/wiki/List_of_AMD_Fusion_microprocessors The A6-3600 is one of the AMD Fusion series. Llano (32nm) http://www.engadget.com/2011/03/01/amd-compares-upcoming-llano-fusion-apu-with-intel-core-i7-kil/ 4GigaByte (4GB) of Ram Memory, and it's DDR3 Sdram ram memory. (Maximum frequency rate {'Speed'} is 1333MegaHertz. {1333MHz} PC3-10600 ) 1TeraByte SATA harddrive 5.1 Surround Sound support. (If you have the speakers, (4 generally), you can run 5.1 surround sound ) AMD Radeon HD 6530D graphics card. Is in the PCI Express x16 slot on the motherboard. http://www.anandtech.com/show/4476/amd-a83850-review/5 Just one example.