Good question. There's really two options- more federal government or less federal government. I would opt for less federal government.
The economy isn't going to come to a grinding halt if the government cuts down spending. That's because the government doesn't actually create wealth- only the private sector does. The government raises revenue by forcefully taking it from the private sector. To some extent, that's necessary for defense, infrastructure, etc., but at some point, it's counterproductive. Government, by nature, is wasteful and inefficient. My solution would be to loosen its grip on the private sector. That mostly involves cutting taxes and simplifying the tax code. That frees up the private sector to do what it does best- create wealth.
Hoover's and then FDR's interventions in the economy are what made the Great Depression so great and last so long. I've heard a lot of comparisons of Obama to FDR, but if his policies are supposed to work like the New Deal, we're in for a very rough decade ahead.