He's selling that one too (I believe). And he has a 72 Mach 1 Mustang (with some rust in the quarters.
Mach 1 is listed as:
http://seattle.craigslist.org/tac/cto/2195903758.html
Can't find the Firebird. Mail him if you like. He says he has 20 cars and is trying to sell 11 this weekend.