So, it looks like the "October surprise" might be the morphing of Mitt Romney into Obama, minus having a federal version of Romney-care. In this latest round, he says he won't attempt to have any more restrictions placed on abortion if he becomes president:
http://www.reuters.com/article/2012/10/10/us-usa-campaign-romney-abortion-idUSBRE89901X20121010
As a play for blue states, even money has it that Romney will promise that he will be a better Obama than Obama is.
This will go with his saying he won't cut taxes on the upper end.