Looks and sounds interesting - the mixture of 2D and 3D sounds like a nice touch, as it keeps the game in a modern world, while at the same time appealing to those who feel that the old school Sonic games had a certain "something" that the modern ones don't. I have hopes for it, and will try it because it is Sonic.

I really hope that they don't change the spelling to "colours" when it's ported to the UK - we know that it's the same word, and it's pointless assuming we'd be too stupid to know it's the same word. Besides I like the American spelling better.