8 GB for multitasking, it should never get lag* Dell, HP has a lot of problems with the mouse pad and hardware The Graphics card is probably good but for speed, i7 3rd Gen 1.5 TB HDD for a serious gamer that wants a lot of memory for games, videos, programs,etc. Although for a desktop, it would have been cheaper for a custom made one, especialy that your building it part-to-part. Laptops are tough to build by hand, and transitioning from Mac, to Windows or whatever, it will be recomended that you get a Windows kind. Although they get viruses it is easy to set up and download. Windows 7 Professional, Home Premium, or Ultimate are good OS. Windows 8 however is still in development. and Notch said to Microsoft "If Microsoft decides to lock down Windows 8, it would be very very bad for indie games and competition in general" Quote form Gameinformer
