...You really dont' have to worry about backing up the empeg executables.. UNLIKE tivo, the empeg's application area can be completely trashed and restored without too much trouble, and UNLIKE TIVO, they're actually very helpful in giving hints/etc on how to perform these upgrades...
-mark

MK2: 36gb
Tivo: 90gb
CPU: 120gb
...I think drive manufacturers love me!