That sucks man. I was keeping an eye on my car last night since I live in an apartment. Saw 2 kids about 11-13ish acting suspicious walking around the cars just before midnight, but they didn't do anything. Lucky for them because I was already pissed my Steelers just lost and was ready to beat some @$$
I did some crazy pranks when I was younger but we never f'ed with random peoples stuff. Usually we just egged, or put vasoline on the windshield/door handles, etc of friends cars and then blamed it on someone they didn't like to watch them get even madder