Not to mention that you really need to focus on securing the endpoint anyway because an increasing number of your devices are mobile and aren't "home" an increasing amount of time anyway. The period of central router/gateway/NAT management made the most sense was when the majority of your home were desktops fixed in their locations in the same rooms. In a world of a majority of laptops and hand computers, worrying about the strength of your home router/gateway/NAT is increasingly silly, as those devices may spend as much time or more at your work, or the coffee shop down the street, as they do at "home".