If you haven’t downloaded the Windows 7 Beta yet, and you want to, make sure you do so now!
The public Beta program will shut down starting on February 10th (US date). Millions of people worldwide have already downloaded it and we announced at the start of the beta, the beta would not be available for ever. Shortly you will not be able to start new downloads of Windows 7 Beta and from the 12th (US date) you can not complete your download. More information about this on the Windows Team Blog. Download the Beta here.
If you have a TechNet Subscription you will still be able to download the Beta after this date.