Win7 Beta1 on technet and msdn
Come and get it! The Windows 7 Beta is here!
Many people have heard about Windows 7, some have even seen the M3 build at the PDC. MSDN Subscribers, now you can try the Beta! Download the Windows 7 Beta now from Subscriber Downloads [link]
Microsoft CEO, Steve Ballmer, kicked off CES 2009 last night with his keynote speech in which he announced the Windows 7 beta will be available for public download, this Friday. This will be a download-only version, and will expire in August. They haven't announced yet at what time it will be available, but it will only be for a limited time to the first 2.5 million downloaded.
Get more info at the link below.[link]