I don't know what most of us use: mouse or writing pad, but I use only the mouse as a way to put in characters. Currently I am in China and I did only bring a netbook computer with me which is just a touch too slow to work on comfortably with the Skritter flash interface. So, I find I lose a lot of time writing for the umpteenth time characters like 公,怎,好,etc, just because they occur in words of 2 or more characters. It would be handy if there would be a 'I know this character' button, so that I could concentrate on the characters that I really need to get familiar with. Any chance of seeing this included? Or will all this needless repetition go away with a better scheduling routine, i.e. one that takes into account the individual characters even if they occur in a compound.
Marc