Some lucky testers just got this email from MS:
The PC Satisfaction Trial team would like to thank you for joining the PC Satisfaction Trial technology test! Our records indicate that you are willing to install and use this service on a WindowsXP computer in your business. Within the next week, you will be receiving an email with the location of the secure server where you can register for and download the PC Satisfaction Trial. In order to give you access to this server, we need a valid .NET Passport ID. We very much appreciate your participation in this trial!
The PC Satisfaction Trial test team