Not sure how new this is but I've just found this in feedburner. Its a location to add to your ping lists. My blog was in their feedsearch within about 5 minutes of pinging the site, google promptly crawled my entire blog too. http://blogsearch.google.com/ping/RPC2 More info on it http://www.google.com/help/blogsearch/about_pinging.html
The address you provided returns some empty RSS feed but http://blogsearch.google.com/ping is the place to ping when you have updated your blog.