ok, so pretty much im a data hog, and i have currently 2 wd 500gig hard drives installed. but i would like to upgrade them to 1 terabyte drives. but i have two problems. one, can windows 7x64 and bios reconigze it? and the drives are 12.5mm and im not sure if they will fit? i really dont trust my measuing abilities so does anybody know if they will fit!!!???? also does anybody have any good places to buy laptop graphics cards? i would be interested in upgrading after my warranty is out but i cannot find them anywhere!!! thanks so much for the help!!!