My stepdad has been a claims adjuster for Farmer'* Insurance for the last 15 years, and he told me that in all of that time, with all the car keys stolen in all of his claims, that NEVER ONCE has the vehicle ever been tampered with.
Knowing this makes me feel better. But, I am going to go ahead and rekey the exterior doors, just because its not as expensive as I anticipated, and there will always be that what-if.
Im of the opinion of the rest of you. Theives especially are cowards. They see a cheap and easy way to profit in some way from others, but usually want to get away from being caught.
This site is great. Thanks everybody for your ideas and suggestions. Pics of the new car will be here soon, at any rate!