My idea would be a page consisting of "plug ins". A user could organize the size and location of these plug-ins as they choose. I could even see allowing plug-ins to cycle within it's workspace (frame it lives in). For instance, I could cycle through a traffic plug in, RSS feed plug-in, in weather plug-in, in one frame. My thinking is that some information doesn't change all that often (or there is no need to know second by second). A cycling of plug-ins being displayed would allow different info to be presented in a almost up-to-the-minute way.
I attached a quick (and I mean QUICK) mock-up. I doesn't show the plug-in cycling I mentioned previously but imaging the weather plug-in changing to some other plug-in, such as traffic alerts.
Of course, these plug-ins with be interactive so if I were to click on the traffic plug-in, it would take center stage as well as provide more in-depth info about traffic (or whatever plugin you click on)
Each person in the house could create their own landing page so the info could be presented in the manner that person chooses.