Do you miss something on BrainKing.com and would you like to see it here? Post your request into this board! If there is a more specific board for the request, (i.e. game rule changes etc) then it should be posted and discussed on that specific board.
but you know anyway in some cases, so why make us track it in the notes? Once again I think marking the pieces is best if possible (same as notes but in a better place), though may not be easy to implement