The Windows Vista Ultimate with Service Pack 1 test-drive allows you to try (or “test drive”) this latest operating system from Microsoft without having to install it on your PC. By simply logging onto test drive environment using your web browser, you will be able to experience Windows Vista first hand. You can explore the product on your own, or follow along with guided excercises and videos.
Test drive Windows Vista at http://windowsvistatestdrive.com/SP1/
Go on a Test Drive now, its quite cool.