I hate to report on just a rumor, but this one is good. TheForce.net is reporting that George Lucas may be there for the opening of Star Tours 2.0, the first SW weekend. Here is the link:
http://theforce.net/latestnews/story...but_137132.asp
Last year on March 17th, the Star Wars Weekends celebrity guest line-up was announced, so everyone is holding their breath this week!!