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.
Small little application that could sit in the system tray and tell you how many moves it is your turn to play even when you are not online. Possibly even makes a noise when the number increases.