Here's a brief description of the new Mopar Underground vehicles at Easter Jeep Safari this year
Mopar ImMortal: portal axles on a Wrangler Unlimited
Jeep General: Wrangler 2 door with 4.5 inch lift, AEV bumpers, half doors
Jeep Nukizer 715: J8 with lengthened chassis, 4 inch lift, custom grill and hood, custom fabric top
Wrangler Trail Boss: Standard Wrangler, Half doors, 3 inch lift, AEV bumpers
Wrangler J7: Jeep Wrangler Unlimited, utility interior, steel bumpers, 2 inch lift
Jeep Patriot Extreme: 2 inch lift, rock rails, off road lights
RAM Powerwagon Concept: 2500 Power Wagon, shortened, standard cab, lifted
RAM Runner: Ram 1500 crew cab with (very) long travel suspension
Vehicles shown previously include the XJ Stroker and the Wrangler Overland (I think).
Lots of hi-resolution photos here
http://www.autoblog.com/2010/03/31/chrysler-shows-off-eight-mopar-concepts-at-easter-jeep-safari-20/