Came across a presentation today that highlights the roadmap for Windows Mobile over the next 18 months. It was presented during a Microsoft Tech Days event in Switzerland - Google Cache Version here.
The key bits out of it are :
"Crossbow" (Q4 '06)
Great Mobile Messaging
Advanced Business and Enterprise Propositions
Strengthened Phone Experience
Faster, easier application development and distribution
Q1/Q2 '07 Marketing Launch
"Photon" (Q4 '07)
New, Flexible Shell
Modular Containers
"Yamazaki" CE kernel
Q1/Q2 '08 Marketing Launch.
Found
here.