Because I've been doing too much stuff with physics.
By the way, we will be doing a second announcement for IQING 5 some time in the next week or so. We'll even have a fancy new website that I'll link to as soon as it goes up. I can tell you now that there will be a call for abstracts with the due date being the 31st of December and there will be a webform on the new site for the registration and abstract submission.
Oh, and I'm definitely going to QIP 2007.