I saw this on the Public Sector Weblog and though it was worth sharing:
We have recently released the first beta for the Windows Phone 7 Development Tool http://developer.windowsphone.com we have also released a revised and rich Training Kit (download a local copy of the training kit) that will help you quickly ramp up to start building citizens-oriented solutions.
If your organization is currently developing or considering developing government solutions for Windows Phone 7, please contact me at firstname.lastname@example.org I am the Windows Phone 7 resource assigned to work with Government developers (agencies and Partners) to help them make the best of building solutions for Windows Phone 7.
Get the training kit. There’s a lot of goodies in it that will get you up to speed with Windows Phone 7 Development.