Palo Alto was bought out by Flextronics, the relevant websites are here and here. I'm not familiar with the PA-2000 (or 200), do you have any link to it? I've tried searching and came up with nothing.
Aside from my main job, I do consulting for a small business. They’ve got around 60 users and a 10 mbit symmetrical internet connection. Current firewall is an ASA5510. Aside from the usual office ...