Whitey - 1:44 am on Oct 1, 2011 (gmt 0)
Shatner / ACFinLA - great insight, I hope this helps kick off some more objective observations from others
Could you have been more aggressive and sustained in what you did? ( I'm still playing with the notion that you didn't buck the threshold hard enough ).
Seems like those who relaunched on sub domains may have been given a temporary clean slate, making me suspect that Panda'd old domains are flagged in the algo ( who knows ).
AlyssaS - Forums / UGC - my uneducated intuition says they equal problems in the site configurations potentially producing dupe and thin content. Lot's of holes in forum/CMS software deployments, especially out of the box with developers who have insufficient SEO knowledge. Not saying this is the case - I'm just ringing a bell.
g1smd is working on a site he suspects might fall into this category - but results are still to come in