Developers with MSDN Subscriptions will be able to download Windows
7 RTM in English on August 6th and remaining languages by October 1st.
help developers who are developing applications for Windows 7 or
updating existing applications to take advantage of new Windows 7
features, check out the Windows 7 for Developers Blog. Also, be sure to check out the Windows 7 Developers Guide on MSDN. Oh and there are also some fantastic videos on Channel 9 too!