If you are planing a trip to the gulf coast you may find this of interest:
Found this article on the NOAA website. Makes interesting predictions as to where the oil is going to wash up, and what the mitigating factors might be.
Deepwater Horizon: Statistical Modeling - Analysis 1 | Recent and Historical Incidents | Emergency Response | NOAA's National Ocean Service Office of Response and Restoration
Also quite a number of interesting links on that page about emergency response and other such things.
It looks as though my favorite place to be after Christmas, Dauphin Island, is going to be a mess.
Might just go anyway.