I would expect the vast majority of it to be free space. If you bought a laptop with a 250GB hard drive, and found when you booted it that ~125GB were used by

I would expect the vast majority of it to be free space. If you bought a laptop with a 250GB hard drive, and found when you booted it that ~125GB were used by the OS, would you be okay with that? Especially when the HD storage was a prominently advertised feature?