Well you can build yer own very cheaply rather than buy a custom made one I did another External USB.FIREWIRE one with case and 250gb for under £70 

Also x4 speed DVD With double density can back up over 8gb of data thats a lot of images Joe!!

Danny O'Byrne  http://www.digitalartzone.co.uk/

"All the technique in the world doesn't compensate for the inability to notice" Eliott Erwitt