I made a sugestion in the discusion section some time ago, but it never got much atention, so I'll link it here. Consider it re-sugested for this context:

http://lesswrong.com/r/discussion/lw/544/problem_noticed_in_aspect_of_lw_comunity_bonding/3uhk

background: http://lesswrong.com/r/discussion/lw/544/problem_noticed_in_aspect_of_lw_comunity_bounding/

"my idea is basically like the discussion section, but with a few differences ... no karma effects ... karma requirement for participation ... or being able to see the section at all ... sing a different colour scheme and/or name"