I haven't seen any threads about the TECK. What do people think of it? Is their any reason to get it over the an ergodox? (Besides availability...)
The main problem people have with the TECK is with the company itself and their problems with customer support.
A fair amount of people like the design, but it's not as flexible since you can't separate or tent the keyboard like with the ergodox or kinesis freestyle. If you have a specific need for splay / tenting / separation, then the TECK isn't for you.
The biggest reason to get the TECK over the ergodox is it's a product you can buy easily. Aside from that, some people might prefer the TECK's layout because it has function keys, an arrow cluster, etc or that they don't necessarily like all the thumb keys on something like the ergodox or kinesis advantage.
I thought Anandtech.com did a decent review of the TECK, Kinesis Advantage, and Ergodox. If you have the time, I suggest checking out the reviews.