Microsoft is doing Windows Mobile Training. Click through some sales training and take quizzes. You earn points to use towards Win XP Pro, Encarta, a nice Keyboard + Mouse, a wireless mouse, MS Flight Sim 2004, Swiss army cybertool knife and watch.

PM me your name, email addy and I will send an invite asap.

You are supposed to work in retail, but MS usually sends anyways.

Edit: If you PM without your email, and it isn't in your profile I could not send your invite.

Still have invites left, plus after you sign-up you can invite people.