Maybe we can be really really thoughtful about what messages we send to the discuss list and remember that there are quite a few of us on here that want to keep up with the on-going discussions of sudo room (that's what it's all about--creating a creative communities and hackerspace).
Further, we are making a public record with our archives being freely accessible.
Lastly, it has been my experience that even noisy email lists tend to benefit when we pause, spend some time remembering what we got on the list for, and make sure we send emails at a necessary frequency, not an arbitrary one!