"This keyboard is not only comfortable, it has some essential functions that you really need these days, did you know that it can serve as a hub? It has 2 USB ports in the back, of course you will loose one because you have to plug in it your computers USB port to... You can connect the keyboard using the USB port or the 9 pin serial port. I did notice that my mouse didn't function really well when I put it in my Keyboard Hub. It froze up some times... "
FULL STORY @ HWEXTREME (http://nfs.hwextreme.com/review7)