I had the strangest problem with my noppoo choc mini today. I found that when I typed two of the same character in a row, e.g. 'e' in deer, the second letter wouldn't register unless I typed deliberately slower. So I every time I typed hello it would come out helo, deer would become der, etc, quite frustrating. Turns out I had played with Fn+F11, didn't see any feedback and thought nothing of it. I randomly decided to play with these mysterious keys again, and sure enough tapping Fn+F10 a few times made the problem disappear. This seems to support FoxWolf's hypothesis. The reason it only affected repeat keys was because I hit them in much quicker succession. Now if I could figure out a way to view the current debounce time that would be swell.
Edit:
Sorry for dragging up an old topic. I had no idea what debouncing was and only found this thread/forum after searching google for "noppoo choc mini F10 F11" The review posted a few days ago explains it pretty well
http://geekhack.org/index.php?topic=43054.0 but I thought I would at least provide a confirmation here for other google searchers who happen to find this.
For the sake of others like me who may not think to use the word latency in their search for the solution to the problem I had, here are a few keywords for google to pick up so they might find this thread (i.e. the things I initially searched for): noppoo choc mini dropping keystrokes, doesn't register double keypress, type too fast (I knew something was seriously wrong... I only type 100wpm at my best and I've seen people type 170+ with this keyboard on typeracer)