i am sure you all have either got the email, or just know, but there is a presale for the Socal SY dates.
http://sonicyouth.ducatking.com/
Presale tickets for the September 27th show in San Diego, CA and the September 28th show in Los Angeles, CA go on sale Wednesday, August 23rd at 10 AM PACIFIC TIME/12 PM Central Time. Both shows and links to buy tickets will be visible at that time.