The same basic stand is sold by Sidewalk Flyers. The website is under construction but if you peck around they can be found. They charge $120 for the master kit.
http://www.sidewalkflyers.com/
Being the frugal type, I made my own. It is not as pretty but works just as well. I used a "workmate" clone that can be found at your local "imported" tool vender. Simply clamp a table top plane stand to the top. It is also a good place to securely clamp a engine break in stand. On those rare occasions that I am not building or flying planes it even comes in handy for honeydo projects around the house. They can be had for about $25-30. I purchased a display model with a few scratches for $15.