The 8100 is a PVR, the 8000 is not. The usb port on the 8100 is convenient for the infrequent factory firmware upgrades as well since you don't have to unhook everything and drag it off to a PC.
The usb port on the 8100 is convenient for the infrequent factory firmware upgrades as well since you don't have to unhook everything and drag it off to a PC.