Hammacher Schlemmer offers a portable DVD player with a form factor of a portable CD player.
The Microtek Handheld DVD Player features a 3 1/2" LCD screen built into a CD player size body. The portable DVD Player measures 1 3/4" width x 6" Diameter. The DVD player connects to any television via included AV cables. It has a fold-out stand to put it up right for viewing. This DVD player of course also plays music CDs and MP3 CDs.
Hammacher sells this unique portable DVD player for $249.95. (comes with life-time Guarantee).
iRiver recently announced a portable media CD player called IMP-1100 that is kind of similar, although it lacks the capability to play DVDs.
Compare Prices of other portable DVD Players on the market.