The White House has approved NASA's ESAS and it will be unveiled publicly on Monday at NASA HQ. As to what it will look like: think Apollo - both for what it will feature - and what it will not feature - as well as how things will look- and how they will work. Mars is only a footnote - a distant one at that.
They just can't seem to get it right, can they?
Rollout Plan for Griffin's Architecture Gains Momentum | NASA Watch