I recently picked up a copy of Acoustic Guitar magazine and have been thumbing through it tonight. I ran across a little blurb that advertised some free sheet music. At tuscanyguitar.com, you can download PDF files of classical works by Puccini, Castellacci, Vïsotsky, and others, plus carols for the holiday season.
I'm currently printing them all out. I don't know if I'll ever work out the classical pieces, but I'm going to make it a goal to work out the carols by Christmas 2004.