TheyWorkForYou.com + YouTube + iGoogle = Google Politics.
Interestingly (and, I assume, as a result of getting the TWFY team on board), you can customise it down to Ward level. Seems like a fairly nice mix of local and national levels, although it'd be nice to focus more on the former. Maybe even integrate it with local councils - now that would be a kick from Google in the right direction.
More on this later, I think.