The increase in the front area is unusual at first, but I think they are excellent because the hand-arm-connection (slightly but noticeably long) is less put under train. The problem that it is too high can easily be countered by lowering the entire desk.
I write 10-finger system, but initially had concerns that a split keyboard for programming is unfavorable because of the special characters are constantly needed. But also goes. Only play with one hand on the mouse and one hand on the keyboard is a bit tedious - but I gladly accepted. Emergency must stop at some point, a special Gamer Keyboard ago for this "special application".