Four hundred fifty-some days before the 2008 election, we get a little queasy when we see the words "Florida," "Pennsylvania" and "Ohio" in the same sentence, let alone in the same poll.

Here we go, anyway.

In a Quinnipiac University swing state poll out this morning, Hillary Clinton holds slim, within-the-margin-of-error leads over Rudy Giuliani in Florida and Pennsylvania and is tied with him in Ohio.

In other possible matchups, Giuliani holds small leads over Barack Obama in Florida and Ohio and a larger lead over him in Pennsylvania, but both Obama and Clinton hold big leads over Fred Thompson in all three states.

Quinnipiac's Peter Brown says the big news here is that Clinton seems to be picking up support from people who didn't use to think much of her. "Not only does she lead by a nose in two of the most important swing states in the Electoral College, but she is turning around independent and Republican voters who previously viewed her negatively," Brown says in a Quinnipiac press release. "In the last two months the share of voters who view her favorably has increased to about 50 percent -- an important milestone -- while the numbers who view her unfavorably has dropped. It is not huge movement, but it is consistent across all three states."