Buyer just got NetStar copy of his order and it shows the Base Price for the new 2008 GL550 as $76,975. This is a loaded base model with almost all the options available on the GL450 included, except for Distronic and Off Road Package. It does include the ADSII damping system. The only Options available are the Keyless Go, Rear Seat TV, Hitch, iPod Kit and Illuminated Entry. Besides all the other options as standard, the GL550 has:
5.5L DOHC V-8
21" 5-Spoke AMG Alloy wheels
All-Season Continental tires (295/40)
Fender Flares
New Front Bumper
New Grille with three lamella
X- Large M-B Star
Chrome Roof Rails
Chrome belt-line
Chrome Liftgate step protection
Dual split chrome exhaust tips
Blue Tinted Glass

I hope MB does an official announcement real soon to lock down the details.