I concur with kat's & Eric's advice to get yourself checked - ESPECIALLY if you start to get a headache.   My mother's a neurosurgery nurse & I remember her story about a man being in a crash with no visible head injuries & denying hitting his head against anything. He had been slung around so much that he was slow bleeding intracranially & developed a hematoma while everyone in hospital was (quite rightly) occupied with his neck injuries & other bleeding.

I'm not telling you this to scare you, Jed, but PLEASE, PLEASE be aware that you need to get medical attention right away if your head begins to hurt & tell this to someone close to you. Also, Raedwolf's too right about back injuries showing up a few days later (& muscle pain, too - them bones are attached, you know).

That said, what a terrifying experience. Praise to God you & the instruments came thru.

Drunk driving laws should approach the draconian. It's about keeping people alive and teaching those inclined to drink & drive some responsibility for their actions.