Which counties in swing states will trend GOP for 2012?

[TJ in Oregon]

For Ohio, I'd look at Stark, Lake, Hamilton, and Ottawa Counties. Each has voted with the winner of the state the last few cycles.

I also think the margin in Cuyahoga will be something to see becuase the Democrats have traditionally had ~70% of the vote in Ohio's most populous county but we've had a variety of local scandals (it seems like half the county Democratic Party's been arrested) that have hurt the Democrats and they only managed 60% last year against Kasich and 56% against Portman. I'm interested to see if that change sticks.

I'm personally curious to see if the GOP has a shot at winning my home county, Erie, which hasn't happened since I was born. While Obama has been polling pretty well in Ohio overall, his numbers in the northwest have been truly atrocious. I think this could finally be the year.