I've had various other Cherry mx blue keyboards, and I've had two Kul boards -- one with clears and one with reds. I've sold all these, mainly because I've finally determined that Cherry mx switches are my least favorite. (My favorites are IBM capacitive buckling spring (Model F), Topre 45g and 55g, Matias Click, and Matias Quiet).
Things I liked about the Kul boards: solid build and a wealth of DIP switch settings that were useful to me. Things I didn't like about the Kul boards: difficult to attach/re-attach the USB cable in the recessed area under the keyboard; Cherry stabilizers; some slight imperfections in the case finish on the one with reds.
I decided to keep two Cherry mx boards: a WASD V2 87 mx brown (mainly for the Costar-type stabilizers) and a Poker II mx brown (mainly for the 60% form factor).