The 1.83 is the best value = the 17" is decent value tho $1000 more is daunting.
The middle model has never made sense.
It should at least be a 2.16 or be $200 cheaper.
The FW 800 is progressive - will appeal to video pros with existing gear.
Hmm $3880 2 gigs RAM 500 gig FW 800 array - not a bad edit package - $4990 with full version of FCP Studio.

Gotta fire up the newsletter machine.
It's interesting that Apple does not classify these as laptops but portable workstations.