Yeah, but the advantage to the system I made is, it is cheap, goes into your blast cabinet and it would cost considerably less to make. Personally, I think TP Tools should sell them as an accessory. The difference is the ones I was looking at online, the economy model was $1700.00. This one slides under the cabinet, uses cabinet power and air so as not to reinvent the wheel, and could be made for less than $100.
I'll get the plans posted up on my site when I get a few days to make another one.