Search within sites with Google
Google has just rolled out a new service for searchers. It is a new addition to the infamous onebox and replaces the old "More results from…" link. Have a look at a search for Endsleigh or Tesco and see the new addition.
This search within site link activates a [keyword site:URL] command and I think it will be very helpful to users, at the moment the service seems to be in its experimental phase, hopefully it will roll out to all the oneboxes soon.