Here is the link for the store board discussion. As you can see it is very confusing. Just wish there was a straight answer. Go to page 2 and read towards the bottom where a seller was told by Ebay staff that the new FVF will apply regardless of the list date if the item sells after Aug 22nd.
http://forums.ebay.com/db2/thread.jspa?threadID=1000337807&start=40
Liz