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.
Summertop: I don't know whether this is the biggest problem, but there are also different letter values in different languages. In English it would be strange to use K=10, W=10 like we do in French.