1. Bad Keyboard Layout.
To put it simply, don't get this keyboard. Get the Natural Keyboard Pro instead. The NK elite has a squished layout. The arrow keys are in an awkward diamond formation and the home/end/delete/pgup/pgdn/instert keys are in a 2X3 arrangement instead of 3X2.
Also, the NK Pro has a built in hub in the keyboard, giving you 2 extra USB ports (not powered) and all those hotkey buttons on the top. Unless someone's offering you an *outstanding* bargain on this keyboard (think 5 bucks) get the NK Pro instead.