The older G-15 (Version 1) is pretty useful for boxing and has a ton of extra programmable hotkeys. The G-11 is the exact same except it doesn't have the LCD screen. The new G-15 (Version 2) I'm not so impressed with. They removed 2/3 of the buttons on the new G-15. The old G-15 has 18 physical buttons compared to the new one which only has 6. There's actually another keyboard I'm looking at trying out. Merc Gaming Keyboard It has several programmable buttons as well but I have yet to try it out. Anyone have one of these that can provide some input?