One different macro-cloud on the horizon is the current civil war among House Republicans. Obama is probably not going to be able to use cruise missiles (or even drones) targeted on the extremists though.
First we'll get a skirmish on the Obamacare/Continuing Resolution front (end of month due date), with a follow-up battle on the debt limit scheduled for next month. Boehner busy trying to figure out how to pass a clean CR and debt override while taking not-so-friendly fire from his right flank.
I bought some October VIX options as a hedge against craziness.