This has been driving me nuts, and it took me 30+ minutes to find the correct answer to this for my device... It appears there may have been many ways to reset a Blackberry, the most common of which seemed to be taking out the battery...

Well, it's taken me till about now to get my PC set up again after Vista Ultimate decided to take a fat dump in the middle of my work for the second time in not so many months...

Summary: I HATE VISTA, and ALL THINGS MICROSUCK...