Anyone ever used the Speedskate tool?

[trish2]

Hi all
Ran across this ad for Speedskate and wondered if anyone here had used this tool?  Thinking about a Father's day gift for the hubby.  I watched the demo video and the tool looks  handy for one person moving drywall, heavy doors, etc.  If anyone has used it, what things does it do easily and what things does it not.

Thanks
Trish

http://www.cshardware.com/speed-skate-by-fast-cap.html?utm_source=bronto&utm_medium=email&utm_term=Speed+Skate&utm_content=Speed+Skate&utm_campaign=March+Free+Ship