Windows Phone 7 Training Kit for Developers - RTM Refresh がリリースされました。（2010/09/16）
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=ca23285f-bab8-47fa-b364-11553e076a9a
以下、上記URLよりOverviewのみ引用して紹介します。
Windows Phone 7 promises to be an amazing mobile phone operating system given its innovative user interface and functionality, as well as its great development platform upon which you can quickly and easily build games and applications. With a myriad of new devices, a powerful and immersive software platform, and a new marketplace to attract developers and provide easy access to applications, consumer demand for Windows Phones will be high, and developers will quickly adopt the Windows Phone platform to capitalize on this growing mobile marketplace. This Training Kit will give you a jumpstart into the new Windows Phone world by providing you with a step-by-step explanation of the tools to use and some key concepts for programming Windows Phones. This release the training kit is bigger than ever. With five new labs the kit has now a total of 12 labs. Due to the size of the training Kit, and to make it easier for you to focus on your desired technology, you have now few options choose from. You can download a local copy of the:
•Complete Windows Phone Training kit for Developers includes both Silverlight and XNA Framework labs
•Windows Phone Training Kit for Silverlight Developers includes only Silverlight labs
•Windows Phone Training Kit for XNA Framework Developers include only XNA Framework labs