Pros: works immediately under XP, white colour is a nice change, flat design is confortable, action keys work.
Cons: N key requires a strong pressure and constantly going back to correct, whereas other keys are fine. Quite noisy.
Unfortunately it's not what I was looking for but the price is so low it's not worth to send it back.
TAKE HOME MESSAGE: if you want a sturdy, usable, precise and silent keyboard, in addition to a flat design, look somewhere else. Pay more.