i found fat ps3 with 2 usb 80 gb also is on 4.84 for 60 bucks i was sucker that i found out that fat ps3 with 4 usb cech A01 is fully compatible with ps1 and ps2 . i want to know how hard is it to hack on 4.84 for all psp,ps1,ps2 also what size of hdd will it be compatible like 4TB?? what best format Fat32 or exfat or NSTF? or let the ps3 do the format??