/diy/ is really great. Generally post quality is inversely proportional to board popularity. Also avoid any board related to entertainment if you want rational discussion.
To provide a concrete example of why /diy/ is great, most "diy-ish" discussion boards I participate in devolve into "look how awesome I am" "look how much money/debt I can spend" "I am more of an authority than you" "my favorite authority could kick the butt of your favorite authority" and similar self-aggrandizement-posting. People on /diy/ actually talk about /diy/ topics, which is a refreshing change from most non-anon non-chan discussion boards. Its a relatively low-sophistry zone... emphasis on relatively...
The biggest problem I see on /diy/ is questionable humor, sort of like how blue collar occupations used to haze the apprentices a bit, you'll see the most ridiculous / comical suggestions sometimes.
The biggest problem I see on /diy/ is questionable humor, sort of like how blue collar occupations used to haze the apprentices a bit, you'll see the most ridiculous / comical suggestions sometimes.