turns out i have a very limited budget! so i was wondering if you guys can set me up with components to build a computer that can play games but for no more than 400 to 700 dollars(preferably around 400 dollars) so can you guys set me up with a good upgradable mother board, processor, ram, video card just to upgrade this computer sony vaio ...thats all i realy need but if could you also(if you guys can) set me all that up with a psu, hard drive, case, disk drives for less than 700 dollars? to build my own computer?