That, and it would give us Clutter!
From what I understand, the graphics processor here is very similar to that in the iPhone, with the IT's unique problem being the LCD controller... although (if I understand this correctly) that issue doesn't impact actual graphics processing power.
(Come on, who wouldn't want to render 3D animations on an Internet Tablet?)

/me hopes "stage 5/5" is support for the fancy but untapped graphics capability; fixing hardware problems in hardware is for wimps. Real men fix everything with software!