OK, I asked for it (probably others too!) and it's done! Blogpulse allows you to get the results of any query as an RSS feed! This is sooooo cool!
This feature is much like Technorati's watchlists, however you do not have to go through the watchlist creation proccess. Just pass the URL (or keywords) you are interested in as a parameter, and grab the results. I guess this can be used as an alternative "referrer list" for blog posts.