I have set up many routers for small home LANs, but I almost never use the install cd. I just configure the router by inputting the router's IP into a browser and then I start the setup wizard.

Standard Internet routers usually come with four Ethernet local area network ports, while the more advanced routers used by some companies may offer eight ports. If the number of computers, printers ...

If that's a router you've bassically got a firewall. I think the Linksys just integrates with ZoneAlarm for alerts and logging and stuffs ...