By the way, the archives of Pocket PC Magzine have some great tips. You can find it here:
http://www.pocketpcmag.com/_top/tiparchives.asp 
I also use another utility that's freeware called ScreenToggle Application. I had no problems with it on my X5 or X50V and you can download it here from Pocket Gear:
http://www.pocketgear.com/software_detail.asp?id=14497 :approve: Link it to appear in your menus on the Today screen and you're good to go.