I have it already since 1 moth. Is not a flat laptop keyboard, but still is very comfortable. Is not noisy but is not super silent. Is very strong and good quality material as usual for Logitech. I love specially the custom keys for saving, calculator, music controls, etc.. is really great, and it works perfectly.
If you are looking for a standard feeling keyboard is very recommendable, but if you want a flat laptop keyboard this is not for you.