NETGEAR FIREWALL ROUTER FVS336G or something similar. Add a gigabit switch and your are set. If you are upgrading networking equipment, may as well add a hardware firewall and not depend on operating system firewalls.

been playing with pip.verisignlabs.com for password protection. Nifty browser interface, multiple layers of security...

Been using 1Password (agilewebsolutions.com) for several months - nifty browser integration, iPhone app, more portability options.