The flexible cargo space, extending the ideas of the Avalanche, is a really interesting direction. The way the rear part of the roof opens up to provide a truck bed is really interesting. I don't think I would want to be the first kid on the block with this kind of toy, if you know what I mean, but it will be really interesting in a few model years.
Their market research is stellar:
Our research has proven that a large number of SUV owners want multifunctional cargo-carrying capability without sacrificing passenger comfort and accommodations.