Tim Rowley has made
pages for S2000,
S2001, and S2002
and other conferences. Note that you (UNC students) can get to all the
SIGGRAPH papers through the UNC library web pages.
www.3dlinks.com -- site with
a lot of links to models, etc. Artistic rather than technical material.
www.greatbuildings.com -- I
just found this and haven't had a chance to look too much. They seem
to have many models of buildings. The detail of the models varies.