Great! Does the URL syntax (/r/discussion) mean we can expect more general subreddits soon?
I expect that if we improve search (search by attributes (author, tag), with sensible search operators (union, intersection, negation), saved searches, rss feeds of searches), tags in here should work better than many subreddits. This is still an experiment, though, so if tags and search doesn't work, many subreddits might.
(disclaimer: I've not actually set aside the time to code better search)
After contributions from a number of us (by random example here, here) over a number of months, particularly User:wmoore and User:tommccabe (and all happening before User:Yvain's work here, so we missed those ideas) we have a discussion area.
Discussion, including discussion of the discussion area, is welcome.