Hot Chip at Diesel’s xXx (10/11/08) Photo: D. Caplan (more) Tickets for Hot Chip‘s July 18 show at Celebrate Brooklyn! (probably) go on Amex presale on March 21 at 10AM, regular on sale begins March 23 at noon ($35 advance / $40 day of show). Hot Chip’s new album entitled, In Our Heads, will be…