I've got 2 of the TC-1 chairs and really like 'em. I was not able to find them on-line at a greatly reduced price so I purchased from a local A/V shop. I am happy to report that I paid about $200 less per seat than the price you posted.
I wanted a rack of this type as well, but decided that they were just too expensive for anything of substantial size. So, I made my own in that style. Saved a bunch vs. what something comparable would have cost. Here's a pic of the final product...
They are t-slotted extruded aluminum. Mine are 1"x1" and I think that Salamender typically used 1.5x1.5, but the same concept anyway... There are a number of places you can get the stuff. I got mine at www.8020.net . Others have had luck with Rose and Kreiger
Didn't mean to hijack your thread...sorry that this is getting OT
PM me if you'd like to talk specifics, but what I did was to sketch out a design and email to the 80/20 rep that services my area. Then we talked about it on the phone and he helped me pick out specific parts, and made suggestions about the design and how to build it.
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