What exactly is it about the writer's group that would do the trick? Maybe it's having other people read it first and confirm that it's good?
Ideally, the benefit would be receiving feedback at multiple stages of the writing process.
At idea conception, I'd like good feedback on whether an idea is interesting and worth pursuing further or obviously flawed or already covered (there are way too many posts for someone who's not been here for years to be aware of all of them, and search is only sometimes helpful). After that, it may be good to get quick comments on an outline or choice of style (e.g. "you should try to make it less dry" or "you need to spend more time explaining the im...
Ever since Eliezer, Yvain, and myself stopped posting regularly, LW's front page has mostly been populated by meta posts. (The Discussion section is still abuzz with interesting content, though, including original research.)
Luckily, many LWers are posting potentially front-page-worthy content to their own blogs.
Below are some recent-ish highlights outside Less Wrong, for your reading enjoyment. I've added an * to my personal favorites.
Overcoming Bias (Robin Hanson, Rob Wiblin, Katja Grace, Carl Shulman)