I another thread, sorry bu i can not find the original, Uncle Adam along with a few other people sugested that by placing a '0' (zero) in the maximum challenge settings you can set the number of games to unlimited.
This does not not work. Though on the 'My Home' page it says you have set unlimited games in reality people can not challenge you.
Personally i like the idea of being able to set unlimited games and also being able to refuse all games. BUt clearly they can not have the same setting in the filter.
Russ, I know your never ending list is long but this is one error you should fix soon because it is miss leading.