Forum suggestion...How about an Ask me about ________"

[Skimask]

Thinking about that recent post about dino fueled power plants, where the O/P had intimate knowledge of the inner workings of them...
How about a sub-forum just for that...Say a guy knows a load about subject X...the forum thread starts out "Ask me about ______".
I'm thinking it probably wouldn't be for power supplies, PCs, load banks, etc.  It would be for those handful of things that not a lot of people know about and there's not a lot of useful info out there on...