The Windows 7.0 Beta came out today (
here), however very many users found the error when the servers where whorded with users...
Thanks for your interest in the Windows 7 Beta. The volume has been phenomenal -- we’re in the process of adding more servers to handle the demand. We’re sorry for the delay and we’ll re-post the Beta as soon as we can ensure a quality download experience.
If you'll see the error when you access the beta download, you can directly download at:
Microsoft Windows 7 Beta - 32BitMicrosoft Windows 7 Beta - 64BitThey are pretty big files (3.2gb), so it'll take a while!
You'll instantly note that these files are from the official M$ Download Center, and I believe the "trial" install is for 30 days; you can extend this to 120 days by following the instructions
here.