The Zend / PHP Conference & Expo 2006 has an Early Bird registration special available before before September 15. Use the 'earlybird' code, available on the site, and receive a $795 registration price. The conference has announced a great line-up of speakers, including Chris Anderson, author of The Long Tail and editor-in-chief at Wired Magazine, r0ml, open source strategist, and Matthew Rechs, CTO of interactive agency, Schematic. There's a great line-up of speakers available.

Source: http://www.zendcon.com