Microsoft announced today the range of 10 phones Windows Phone 7, the long-awaited update to the Windows mobile OS, will be launching on:

• 5 of them are, of course, built by leading WinMo device manufacturer HTC
• it seems to be completely different from WinMo 6.x - in a good way
• I find it particularly interesting that Microsoft has successfully managed to impose its hardware restrictions (3 main buttons, camera button, full GUI ownership, etc)
• there's a UI demo (first video in this post) from Waggener Edstrom that I find simply too clumsy for this level

Now let's see what happens, seeing Microsoft's tough and constantly evolving competition (Apple, Google, RIM)...