Comments and discussions are welcome. I do not plan to make something out of this, but hope that these points ring bells with those who will.UPDATE: Since this is the more visited deviation and not the original one, I'm including all details here as well.
This is a sample mock-up containing the essential elements that I feel a true Metro Browser should have. It tries to be minimal yet have all required functionality. It tries to on-demand and reactive rather than always-on and proactive. It tries to be as invisible as it can, while trying to bring out the web (also a goal of Google Chrome).
Inspiration from [link]
Icons from [link]UPDATE 2:
has created a Metro Browser mock up as well. Check it out here: [link]