PFSENSE a DIY Router/Firewall

I have worked with computer networks for 10+ years. I have seen many routers and firewalls for home use. The home networking market is flooded with devices from Linksys, Netgear, Belkin, and Apple. For most users they are fine offering capabilities as wireless access, port forwarding,  Address Translation and basic to intermediate firewalls.  Some of theses devices are good others can be horrible. I have seen many with buggy firmware causing the device to crash, randomly reboot, drop connections, offer poor performance and in fail completely. I am not saying these devices should be looked down upon or thrown out,...