That thing is a big ol' mess 
It is a bit of a novelty, but it's really not that bad. I had a chance to play with it a few weeks ago and it would make a pretty decent board if you like backlighting and MX-Red switches. The other switches are in places that you typically wouldn't use that much, so I can see someone using this keyboard to sample some of the other types of switches. If you want to see the backlighting, I
. It's after the Tex Mini.
Personally, I was very tempted to buy it as a tester board. It's the fact that it's limited that was driving my purchase decision though, so I opted to hold off. Besides, at the rate I'm going, I'll have complete boards with each switch

and in my experience, I need to use a keyboard for a day or so to really get a feel for the switch. Testing just 3 Function keys simply isn't enough.