Check the Featured Downloads page under Quick Links in the Support section:
www.digidesign.com/downloads
Featured Plug-In Installers & Updates
Pro Tools 7.0-7.3 Combo Plug-In Updaters for Mac OS X (Intel & PPC) & Windows XP
Optional Factory Software Bundle Installers — 003/002 Factory, Mbox/Mbox 2 Factory, Producer Factory Bundles for Pro Tools 7.0-7.4
Other Software Updates
Ignition Pack & Ignition Pack 2