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.
MadMonkey: The variant where the player who can't play takes all the remaining stones is supposed to be a lot more balanced, and just as easy to implement. Once this is done, I have then nothing about a random variant - which might in fact be less balanced