FOX Interactive Media's new MyFox service recently lit up some new functionality powered by Virtual Earth. Their new service, currently in Beta (aren't we all these days), includes local traffic flow and incident reports layered on an easy to use and navigate Virtual Earth Map Control.
They are rolling out a bunch of cities as I write this--including New York, Birmingham, LA, DC, Dallas, Boston, and more. When your area is online, it should be a great tool for that morning commute. Here is an example from New York.