I would buy an ergonomic version of the CODE keyboard in a heartbeat, and tweeted as much to Jeff Atwood. I guess we'll have to wait and see if he's willing to do that.
There could be other considerations -- I wouldn't be surprised if there were patents around keyboard layouts, specifically the ergonomic keyboard. That could keep other companies from making ergonomic keyboards.
A quick google search pulls up the following patents:
Obviously opinions change, or other factors have prevailed in the design of this