Do You Work in a Microsoft Partner Organization? Try Free Practice Tests (Worldwide)
If you work in a Microsoft Partner organization, then you may be able to take advantage of one of the partner offers through the "Partner Skills Plus" initiative. For example, MeasureUp offers free practice tests to help you prepare for certification exams. The voucher(s) for this offer must be requested by June 30, 2007, and can be redeemed through November 30, 2007. To take advantage of any of the partner offers, associate yourself with your company at the Partner Membership Center using a Windows Live ID and help your company achieve Microsoft Partner Program competency credits.
Was quite excited when I read the headline - but as I understand it the tests are only for SQL server and Visual Studio :-(