The Future of Vegas

So now that the housing market has crashed and real estate is down, what will become of the Vegas Strip. I mean, who will spend $5 billion for a mega-hotel that might not be sold out ever?
I think we will start to see a lot more futuristic hotels like the Planet Hollywood Towers by westgate. I mean, just look at it:

They are not ginormous or try to recreate ancient Rome or the Pyramids. They are just really cool buildings that people want to stay in.