My understanding is they want to make something more accessible than their usual game types. They don't want to make a complete kiddy game but they want make something they can enjoy on their own and still enjoy playing it with their kids.
They admitted to be caught completely off guard by the Wii's success and have shifted resources to make up for it.
I don't think we'll know anything concrete about Valve's Wii project but early planning is already taking shape.
The rEVOLution is not being televised







