320GB cuz you never know how much you need until you find you dont have any more space.
Yes PS3 uses a standard lap top hard drive and you do not even need to use one from PS3
nope
It is the same as a laptop hard drive
you can delete it by transferring it to an extrenal hard drive, I believe.
Hard drive.
You may upgrade your hard drive on a PS3. 160GB could be less than $100 depending on where you purchase it.
no they are not inchangeable
You jailbreak the firmware.
Formatting your hard disk for the PS3 will erase everything on it. If you are adding a hard disk to your PS3 it will prepare the drive for the system.
the hard drive crashes
In the PS3 it is the smallest size that came with WiFi
it is for installing cracked 'cheep' games to ps3's hard drive