Most problems with keys are actually caused by the USB to PS2 converter which comes with the product. Using the keyboard via it's USB connector will only leave one multimedia key unusable and that is a key with "[Ex]" above it (not sure what the function might be).
The generic 105 seems to works fine, and the "Genius Comfy KB-12e" layout seems to work well to.
Most problems with keys are actually caused by the USB to PS2 converter which comes with the product. Using the keyboard via it's USB connector will only leave one multimedia key unusable and that is a key with "[Ex]" above it (not sure what the function might be).
The generic 105 seems to works fine, and the "Genius Comfy KB-12e" layout seems to work well to.