Well, I have had a glaring example bad of CRF judgements. I had a case of a negative feedback for an umpaid item which was rejected by CRF, but eBay removed it because it was against eBay's feedback manipulation policy. You can view details of the same on my thread:
http://forums.ebay.in/thread.jspa?threadID=500008448&tstart=0
Regards,
Sujeet.