That would be today. The 2009 Browncoat Ball happens this Saturday, October 3rd, at the Governor Hotel in downtown Portland, Oregon.
Register now: $80 for just the Ball, $130 for all day Saturday (includes touring around PDX), $175 for the full weekend (includes Friday game night and Sunday breakfast).
Need more convincing? Check out the promotional comic and some photos from past Browncoat Balls.