From 7 to 9 November 2007 will be the held the DC PHP Conference in Washington, DC. This year the conference will focus on "Creating Enterprise Level Web Applications with PHP" with lots of great sessions on PHP Security, Scalability, the art of PHP, and alternative topics. Some of the speakers include Chris Shiflett, Damien Seguy, Tony Leonard, Brian Shire, Colin Thorne, Eli White, Mike Potter, Laura Thomson, David Sklar, Mike Ho, and Keith Casey, in addition to many others. Registration is $450 and student pass is just $150, you can find more on details on the conference website. If you are around Washington be sure to not miss this great entreprise level conference.