Certain user interface elements of the sundry Windows Mobile 7 mockups we've seen floating around over the years have remained more or less constant -- a general gravitation toward better touchscreen usability and some positively bizarre bottom-aligned signal and battery meters, most notably. WMExperts is showing off a newly-acquired document of some sort comparing screens in 6.5 and what was apparently supposed to be 6.5.1 -- the finger-friendly tweak of 6.5 that would precede 7 -- but those mockups on the bottom there have apparently been pushed forward and are now being repurposed as guidance for 7's visuals. For what it's worth, the mockups look so drastically different from 6.5 (and so similar