Microsoft has released the Windows Mobile 5.0 Developer Evaluation Kit. It allows you to start developing Windows Mobile 5.0 applications prior to the release of Visual Studio 2005. It includes resources such as the Windows Mobile 5.0 SDK for Pocket PC and Smartphone, Visual Studio 2005 Beta 2, ActiveSync version 4.0, the Microsoft Device Emulator 1.0 Community Preview and white papers and videos.