For what it's worth, I have a Yahoo Pipe that does this for me. The source is easily customizeble to suit your own site-blocking needs. http://pipes.yahoo.com/

For what it's worth, I have a Yahoo Pipe that does this for me. The source is easily customizeble to suit your own site-blocking needs. http://pipes.yahoo.com/brianseward/hackernews http://pipes.yahoo.com/brianseward/hackernews