IDG World Expo today announced that the Mac Networkers Retreat early bird registration ends Friday, September 8th. The event, a gathering of Mac Networking, Enterprise and IT professionals, will be held October 9-11, 2006 at the Seascape Hotel in Monterey Bay, CA. It has been designed to give technical professionals who work with Macs a conference that is immersive, informative and fun. The Retreat costs US$895 before September 8, 2006 and $995 after that date. The cost includes tuition, meals and special events during the event.