From the "woah, Microsoft is UNSTOPPABLE" category, Chris just noticed that the color of the (too large??) header turns colors with the changing time of the day.  Here in sunny Seattle we're still in the light blue zone:

(while we're here, note the inclusion of Calendar in the drop down box.  Right now it links to Hotmail, but we'll keep clicking and keep hoping!)

...while later at night in London, the Home page has turned a darker blue:

This is so exciting!  I can't wait to see what happens in the morning!