• I have been using it for about 4 days now and I am liking it so is a few observations:It takes two USB slots to use (or 1 if you use USB + PS/2) but since it has 2 USB slots built into the side, you do not actually 'lose' any USB ports.From time to time when I a double tap a key really fast when typing it does not register because unlike my previous membrane keyboard, you have to raise your fin