Chinese Grand Prix officials are weighing up whether or not to extend their Formula One contract beyond 2010, with the race's future in the balance because of the huge costs of holding the event.
http://www.autosport.com/news/report.php/id/72111

If govt. backed venues who were happy to stump up $m's to have a GP are now beginning to question whether it's worth it F1 may have itself a problem. Could it mean Bernie is forced to put a more realistic price on the "privilege" of holding a GP, or even a return to more "traditional" venues?