This week is all about central banks with the RBA tonight, BOC tomorrow and the ECB and BOE Thursday. Bernanke speaks Thursday as well.
Markets have been kicking a screaming for central bank salvation. Regardless of the outcomes, if expectations grow high enough, USD and JPY longs may cover before the decisions and help spark a bounce.
Eventually, however, politicians will have to start carrying some of weight or any rebounds will be short-term.
At the moment, AUD/USD resistance at 0.9724 looks like an important tipping point.