I think the UI is great. There's a difference between "streamlined" and "futuristic"; I get where you're coming from, OP, but I think they're aiming to make the game considerably more varied in terms of settings (a mix of classic fantasy and futuristic elements), so the UI design seems like it will sit happily in between those two extremes.

The only thing I'd change is that the action bar icons need some more diversity among them (too many of them look too similar to one another), but the rest of it looks great.