Very little is known about how much customisation will be possible with Windows Phone 7. Microsoft have clearly stated it will be limited to keep the Windows Phone 7 OS visible and easily definable.
We have all been patiently waiting to see what the Handset and Mobile Networks will come up with. Well....is this the slick HTC Sense for Windows Phone 7 HTC have been promising?
Watch the video
EDIT 16/09/2010 16.20:- *Sigh* it would appear the video has been made private by the original uploader.
EDIT 16/09/2010 16.50:- Thanks to mobilitydigest.com who backed up the video.