According to an article on ZDNet, Windows 7 will be shipped June 2009 based on the Beta’s activiation expiration date.

http://blogs.zdnet.com/Bott/?p=649&tag=nl.e539

If you want to get a head start, My Digital Life has posted the links to the direct ISO downloads from Microsoft for Windows 7 Beta

Windows 7 Beta Official Direct Download Links » My Digital Life
For users who can’t wait, and do not trust the leaked source for x86 Windows 7 beta torrent or x64 Windows 7 beta torrent, direct download links of the DVD ISO from Microsoft servers are still live and alive.