Cool idea...

If you do any laminating this is a really clever idea, IMO

And being designers, I suspect you can figure out how to build you own for less than the $120 srp. And since I couldn’t find one active URL associated with this product I suspect everyone else has built their own…

http://toolmonger.com/2007/12/05/save-space-with-hawks-vertical-clamping-system/

I saw a similar rig one time but for cutting. I think it had a circular saw mounted so that you could cross cut or rip a 4x8 on the wall.

Safety Speed Cut panel saws.

Work great for cutting vertically, but horizontally they’re absolutely frightening.

They’re the more relevant step-cousin of these bad boys: