I am not enthused either. A free host somewhere would be ideal I have set up my own forum and worked on it for months, but unless you have user participation it doesn't work -- it becomes a ghost town.
So do what Freemo suggested, use the area he mentioned and if you have a body of posts that show a growing presence, a new place can be adapted I think.
The whole Discourse forum will benefit -- usage there is way too light, a pity as it's a great resource.