Definitely looks nice. I'd still have it topped with junk so it would still always be up. Something I've noticed with most of the most clever designs - I'm the prime design flaw.
@wait4me: were you using a 3/8 or 1/2 impact?
How about this unit?
http://buy1.snapon.com/catalog/item.asp?P65=yes&tool=power&item_ID=649131&group_ID=675927&store=snapon-store&dir=catalog