"Jeep has unveiled the first-ever four-door Wrangler at 2006 the New York International Auto Show. Featuring a one-of-a-kind, four-door open-air design, the Wrangler Unlimited expands the Jeep experience to new dimensions. The Unlimited has room for five adult passengers - a Wrangler first - the most cargo space ever offered in a Wrangler and combines class-leading off-road capability with everyday practicality...."
This is from a new review on the 2007 Jeep Wrangler Unlimited, from TopSpeed. It has info on design, performance and pricing, as well as other features. Also available is a video and picture gallery.
Here's the whole review: http://www.topspeed.com/cars/jeep/jeep-wrangler-unlimited-ar7028.html