As noted previously, I've been trying to use del.icio.us as a quick and dirty way to do show notes. If you've been following along, you'll note that I haven't done too good a job of it.
To make it easier, I've decided to condense all the different tags into just one: d&r. So, if you look at all the things I bookmark and tag with d&r, you can get an idea of things I'm either (a.) thinking about brining up in the podcast, or, (b.) mentioned in the podcast.