A few Banquet Records appearances this weekend, including Third Eye Blind, Jimmy Eat World and Blink (today). Again, you have to monitor the website to see if singed vinyl and/or CDs are posted - usually the following morning. But they often do, so if any of these appeals to you, it's worth watching.
Side tangent: It looks like there are some signed Bryan Ferry Jazz Age LPs on the webstore still. I was able to successfully check out with one just now, so you may want to try again.
Yeah, I was wrong about Blink 182. Sorry about that.
I did get one (I monitored the page and pounced on it the moment it changed), but I can assure you, all of them were gone faster than you could say Blink 182." I think they only got 25 copies.