Here are some links to sites and resources that you may find useful:
Sweet Maria’s page on the La Pavoni. While they no longer sell the machines, they still keep this page up for reference.
A new website by La Pavoni Spa. It has a bit about the company’s history and a catalogue of their current offerings.
Dave Bayer provides a good primer on home espresso in general. Be warned, this is site of another obsessed La Pavonite(tm).
A video of gorgeous pull from a La Pavoni using a “naked” portafilter