The finish of the keyboard is excellent, very nice touch and stroke the correct key. However, the addition of G-18 Logitech touchs forced to offer smaller size keys in order to save space which will require a slight adjustment for input. But that's normal: it is primarily a keyboard gamer not intended to do word processing.
The ability to plug an analog headset to transform it into a USB device is friendly but sometimes poses some sound problems. I wish the presence of one or two USB connectors.
Settings options on the fly of his (volume, general cut, helmet cut or micro) are comprehensive, easy to use and effective.
The LCD screen is nice, we can just regret the limited number of applets developed for it, but this should change over time. However, it can easily change the profile which is very useful.
The essential quality of this keyboard is the presence of 18 programmable G-touchs, and three modes! The color is also involved setting interest backlight to distinguish instantly on which mode you are and thus avoid unpleasant errors when using macros ...
Macros are simple to build. You can either assign a key combination or a key sequence, but not both embarking on designing a LUA script. These scripts are fairly simple to write, but if the documentation on the commands given by Logitech is quite complete, it lacks a good tutorial (found easily enough on the net though).
Anyway all in all a great product, despite some minor flaws and who should make the joy of many gamers.
The price / quality ratio is very good.