Barack Obama has so much campaign cash he's making major contributions to Democratic parties in Ohio and other battleground states.
Obama's campaigning in Florida, where he's holding a jobs summit with several state governors.
Meanwhile, John McCain is using a remark by Obama's running mate to argue that the Democrat isn't ready to be president.
He quotes Joe Biden as saying an Obama presidency would invite others to "test" him with an international crisis.
McCain says Obama wouldn't have "the right response."
Barack Obama's campaign began the month with over $133 million in the bank, even after spending $87.5 million last month.
John McCain ended September with $47 million on hand.