Most of what I have seen (which has been very little) says that this will be a strong influence:
http://www.toyota.com/vehicles/future/ftsx.html
Don't be deceived, the size of this thing is supposed to be bigger than the current Highlander. I'm waiting to see what that does to FE in hybrid form, and what it will do with THS II in 2008. Oh to have a crystal ball right about now...