Forums

Hydrogen Audio - audio - technical knowledge: 5/5. most of the people are knowledgable. threads tend to get very bloated as noobs repeat the same questions over and over.
DVInfo - video/film - technical knowledge: 3/5. most of the people have little common sense. have to filter through a lot to get knowledge, but the information is good.
doom9 - video/compression - technical knowledge: 4/5. stupid members have a tendency to pretend to be smart. you get fed a lot of bad information.