That KeyMouse looks awesome! The keys on it and the size make it look very cramped though. I also wonder if it won't be to heavy to mouse around too.
We're glad you like the design.
The keys were definitely too cramped on our prototype.
Here's some of the changes we're making to the next prototypes:
• Switched to Cherry MX Brown keyswitches (we had used Cherry ML switches in our first prototypes)
• Slightly larger keycaps with a little more spacing
• Added LED backlighting
• Added USB interface for even lower latency (new one will connect with Bluetooth or USB)
We're definitely working to keep it as light as possible. I've been using our prototype, and the weight doesn't bother me - there are large teflon feet on the bottom that help it slide nicely.