I went to see AC/DC in Sydney AU on Feb 22 and got the full stage tour from Malcolm's tech Bison and their amp tech Rick (who builds Wizard Amps). I got to play one of Angus's SG's through one of his Wizard amps. It sounded amazing.
http://www.youtube.com/watch?v=qtWrArkvrsA&feature=related
Un rêve de gosse.