EvilRSS is a service that turns Google search results into an RSS feed. Just enter your search query, click submit, and it generates a feed you can subscribe to using your RSS reader or browser(although I don't know why people use rss readers, now that they are built into Firefox, Opera and the latest version of IE) Note that Google News has this service built in to it (just click on "RSS"on the left side of the page after you've performed the search to create your rss feed), but this is the first service I've seen that generates an RSS feed out of a general Google search.