Personally I would recommend the Logitech G11 over all of the above. The keys are right next to where your left hand would normally be, and it doesn't have a useless LCD that doubles the price. (I have an original G15, v1 myself -- I never use the LCD) ... granted, there are probably decent uses for the LCD, but I'm a touch typist and I don't make a habit out of staring at the keyboard.

I find keys being where they are rather convenient, and when I'm multiboxing I generally use them for combat instead of making hotkeys on the main area of the keyboard. Then non-combat stuff I use stuff like ctrl+alt+M to make everyone mount. I never have to "pause" anything to chat in the game
Examples of how I use the G-keys: http://www.lavishsoft.com/wiki/index...h_G15_Keyboard