The g15 is only there because it's the kb I had on my main computer before I even thought about multiboxing. I agree the screen is a bit of a gimmick although I did find it useful in wow because it is compatible with ventrilo.

Atm I don't think my setup is too great control-wise. Basically I am playing warrior on the g15 and controlling priest/mage/mage/lock on the x-keys. Which means one hand does the x-keys and mouse. I think this weekend I will transfer the warrior onto the x-keys as well and use just the x-keys and mouse.