The answer appears to be "yes:" I'm typing on one right now, and the large separation between the key wells makes for a MUCH better experience.
I haven't used a Tek and so can't speak directly to it, but I"m guessing that the key well separation is the Kinesis advantage.
(I wrote more about it here: http://jseliger.wordpress.com/2011/07/17/further-thoughts-on...).