I'd also been meaning to take out the links in the sidebar, since I now use del.icio.us for bookmarking, and am trying to consolidate my various Internet selves. I'll add a del.icio.us button as soon as I figure out how to do that--the documentation on the site is a little sketchy.
We're heading into spring break week here, which means our reference desk will be closed. Reference questions may be a little slow for the next week or two, but they will return! Like the swallows to Capistrano.