Some other things to consider:
- Configuring your router's WAN interface to have the same MAC address as your computer's wired network interface. This avoids having to re-register with your ISP. Whether this is necessary depends on your ISP and cable modem.
- Configuring the wireless router to get its IP address from the ISP, and to act as a DHCP server for your local network (basically assigning IP addresses and DNS settings). This is usually the default setting.
- Setting up the router's MAC address list for your computers to make it more difficult for others to gain access to your network.
- Configuring your network to hide its SSID.
- Configuring your network to use the highest strength security protocol that is supported by the router and all the computers that will access it.
No offense to the OP, but some of this might go a bit over his head and you might want to explain in more detail what you're talking about here, especially if you think it will be of use to him.