Last Month the Japanese try to retrive this mod a little bit more. They played in the at 2pm CET. At the moment the gametracker,com Server Monitorring is off. Hope soon they turn it on. The ranking seems to work.
Because apart from the slight convenience of a few clicks theres no real advantage over the individual maps. Map packs are more useful when theres lot of seperate files, but BF maps are contained within a single RFA.