I began work this weekend on my second WDI project. I am developing it with my buddy Matt Thees who you can stalk via his blog here.
We were pretty lucky on this one - when we compared our notes on potential projects we each had a concept for an app delivering tailored content to a user-specified time.
We have gone with Matt's idea, which I love, and I am really confident we will make something people like/use.
Our initial whiteboard session is captured here for posterity, and we have until Friday to deliver the thing.