Wow, the optimus keyboard really rocks!!
It's price also is really heavy though.
Honestly, for gaming, I bought a various keyboards and gadgets but lastly, i bought a G15 from logitech and to be franc, that is trully one of the best keyboards I have ever used, I spilled coffee into a 2 month old G15, ruined it and then I went to buy a new one on the same day, just because I love it so much, the quick macro recording (on the fly!) is also pretty cool, maybe not for all tyoes of games but for RTS as an example, it is really one cool feature. The mini lcd screen is also noteworthy since you can download tons of free homebrew apps that can monitor various things like network traffic, teamspeak, CPU usage, temperature and hdd activity.
IMHO this keyboard really is the keyboard even though it is wired.
Anyways, just my opinion.