Even though I know it says it on the website for MSN Autos, I thought I'd just give another warning - the prices are not always accurate (and it's not just a "changing price" deal).
Last night, I checked to see what it said the prices were in my hometown. One of our "cheapest" stations was listed as the most expensive at $3.11 - none of our stations in town are that high (our highest at the moment is $3.03).
Just take the prices with a grain of salt, is all