Tonight’s broadcast of The Mac Night Owl will feature Jason Snell, Editorial Director of Macworld, Joe Kissell, author of “Take Control of Upgrading to Tiger,” and John Lowrey, developer of Tiger Cache Cleaner. Additionally, the show will offer the chance to win a 1GB iPod shuffle. You can tune into the broadcast tonight from 9:00 p.m. to 11:00 p.m. ET. An archive of the show will be available for listening within eight hours of the original broadcast.