Google just doesn't get it - TV is about simplicity. It is not about having a clunky keyboard. Apple probably had the best chance to succeed... There is no chance for Google to succeed when the venerable Apple did not...
I wouldn't mind twitter/RSS updates in a side area or Growl box (like a chat box in a FPS), but the web doesn't fare well on the lower-resolution TV; similarly as with mobile devices, websites would have to be redesigned for TV usage.