Good concept, flawed engineering
Pleasing to use but having to retype a word here and there because a 100$ keyboard cannot handle more than 60 words a minute is unacceptable to me. I would buy it if I was typing extremely slowly, but then again if I was, I'd probably not be using a keyboard for 8 hours a day and I wouldn't need...
Ergonomically pleasing mouse is oddly shaped but seems to be helping straighten the wrist in a comfortable grip; Probably the best part of the bundle
Mistypes continuously (forgets to apply shift to capitalize some letters if you type at a normal pace, alt-shift misregistering when you try to change keyboard language); The usual answer found on forums is to smack the keyboard to unstick keys (typically F2) because of a bad mechanical design.