Pocketnow has recently shared some exclusive leaked screenshots of Windows Mobile 7. In the screenshots shown below, the top pictures shows the vanilla Windows Mobile 6.5 and the bottom pictures are the re-designed Windows Mobile user interface which they call it Windows Mobile 7.
Re-designed Calendar application
New call screen
Revamped Contacts application
Updated mail application
New UI for Text and SMS messages
[ via. MobileKnots ]