I'm almost ROFL at how you American guys let these morons destroy your wealth, increase your cost of living, increase unemployment etc. But then I remember I have similar morons running the central bank here in the UK who are doing the same. /sighs
I don't think you can rule out the possibility of QE3, but I think even the 'arrogant morons' realize the risks and the consequences of quantitative easing. They just don't know what else to do. The consequences of doing nothing, in their minds, would be worse.
600B is a drop in the bucket. We need to inflate our way out of debt in order to survive and compete against china.