Comment by rchaud

Some that are ~20 years old and still kicking:

- Headphones and audio equipment: https://www.head-fi.org/forums/

- A/V equipment: https://www.avsforum.com/forums/

- Computers and Tech: https://hardforum.com/

- Music: https://forums.stevehoffman.tv/

- General Entertainment and Discussion: https://forums.somethingawful.com/

RIP Notebookreview.net forums, IMDB forums, AbsolutePunk forums, Craigslist message board (still live, but mostly abandoned)