I was planning a while to do a custom router build, and finally got around to doing that. I started the project by setting myself a budget of AUD 300. Which is the same amount as a decent untangle box.
Lots of people have a NAS in their home network. I had a QNAP TS-251 which is a great NAS, but once I got experienced I felt that their proprietary OS and platform lacks a lot of things that I