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.
The new ATI Catalyst 4.3 drivers are out, and if you haven't already upgraded then I would recommend you do so.
As well as general perfermance improvements, they have a specific battlefield fix which has certainly sorted out my problem of getting sometimes getting really low FPS with my 9800 pro.