There is a new discussion section on LessWrong.
According to the (updated) About page:
The Less Wrong discussion area is for topics not yet ready or not suitable for normal top level posts. To post a new discussion, select "Post to: Less Wrong Discussion" from the Create new article page. Comment on discussion posts as you would elsewhere on the site.
Votes on posts are worth ±10 points on the main site and ±1 point in the discussion area. [...] anyone can post to the discussion area.
(There is a link at the top right, under the banner)
The RSS feeds have some important disadvantages: no scores, name of the poster of the parent comment, vote up/down links, or parent links. Having to click through an extra link to vote is a major disincentive, and a lot of context is lost. There's also duplication in both the article and comment feeds when things get edited.
The lack of scores may be unavoidable (RSS readers tend to gather posts when they're new and then not update them, so they'd just show zero scores), but the rest should be fixable.
Those are easy to add to the rss template.
Those might be easy to add to the template.
If we did it with js many RSS readers would strip it out, but bare vote links would work, at the cost only of spawning a new tab/window (so two clicks - vote, close).