They also make a ruberized spray for the inner fender liners which would probably work equally well. I plan to go this route. (spending $100 on a cover seems like a waste of money when you're going to have to get under the car regardless).
I'm going to use the opportunity to replace the in tank fuel pump, fuel filter, lines, and gaskets at the same time.
On a similar note,
Does anyone know where to get new straps?