Microsoft is working to release Windows 7 soon and you will be happy to know that Windows Vista SP2 Beta is available for download.
Some quick features :
1) Adds support for the 64-bit central processing unit (CPU) from VIA Technologies, which adds the ID and vendor strings for the new VIA 64-bit CPU.
2) Includes ability to record data to Blu-Ray media.
3) Improves audio and video performance for streaming high definition content.
4) Includes updates to the RSS feeds sidebar with improved performance and responsiveness.
5) Improves performance for Wi-Fi connection after resuming from sleep mode.
Click here for download link & details about Windows Vista SP2 Beta