From Creation Entertainment Salute to Supernatural, Smallville and Buffy/Angel, which was held November 10-11, 2007 just outside of Chicago:
A third report from The CW Source can be found here.
For fans' reports from the convention, click on the following links: runedgirl, yourlibrarian (Samantha Ferris; Frederic Lehne; Jensen Ackles and Jared Padalecki), saturn92103.