Hello.i want to buy ps3.but i am confused between the two models.i will be playing using discs only.no need of multiplayer or online buying from playstation store.i am confused for 500gb version.somebody told me that we can't store games in hardisk on new models.so whats the use of 500gb if we cant use it to play games.do i need 500gb if i buy game disks? also,someone has console of old firmware and he says that games can be loaded in the harddisk ,thus no need of game disks.he wants to sell me it for the price of new ps3 500gb.so,should i buy 12gb or new 500gb or that used one 500gb.price of 12gb is rupees 16000. And 500gb is 23000.please help me to decide best buy.thanks.