At the risk of getting flamed, you haven't actually tried it in the real world yet - you've looked at it on you monitor ...
On the plus side, it's very speedy. Plus, it makes existing 3rd party apps look glorious, with their attractive, last-generation looks.
This early build doesn't seem to be optimized very much.
Fair enough. But I remember when Apple first made the iTunes icons monochromatic, and everyone complained that they'd no longer be able to distinguish the icons. People seemed to adapt pretty quickly though.
Surely someone somewhere has bought a Windows phone ;)
Really, all I want is a phone that will upload pictures directly to Facebook.