How to allow experimentation without losing internet connection? *"Safe-mode" boot, internal factory backup restore* How to do HTTPS to the local rooter? *Generated SSL certs, with HTTP connection to add certificate? Verify with sticker/paper/screen?* Is 802.11n worth the hassle? Can an ARM SoC do full bandwidth GigE routing/filtering? Packet/connection introspection? Is there existing high-quality software/firmware to act as a wireless access point (how many nodes?), IPv6 router (cross-platform devices? best practices?), etc?