Yeah a coloured screen with improved graphics that show more detail. I also wouldnt mind betting that the version 3 will also have a heap of new features. Imagine if the V3 had voice recognition where your tama could respond to certain commands, now that would be awesome~
I do know they are planning to make some kind of american mobile version. *nod* I'll post the link to the article once I re-find it. You can choose between color or black and white.