Drivers in Florida really suck, and it gets even worse from Novemberish to Mayish.
Can't see. Can't hear. Can't walk. Let's DRIVE!!
I agree with HB's take on the different coasts, although there are some very nice beaches on the Gulf too - as in some of the highest rated ones, like Siesta, Lido, Clearwater, etc.
I'm not into beaches, so... And the traffic is WAY worse on the East Coast.