Normally, Windows Vista will boot up with a boring progress bar scrolling across a black background. However, it is possible to change this to something much more interesting with just a few clicks!
The old boot screen currently looks like this:
The new Aurora boot screen will look like this:
To perform this change, run msconfig from the run box (press WINDOWS KEY + R to access this).
Then, select the Boot tab, click "No GUI Boot" and then OK.
Once you have restarted your PC you will see this new boot screen, which should not have any adverse effect on loading times.