Yea, mine is pro-Cinder Block at the moment.
That said, I figured this would be a bragging thread. If your investing in your car verses fancy "g" meters, there are IPhone (or if your cheap like me, ITouch) apps that are free or nearly so.
I personally have had mine up to 25G's. Yea, I've dropped parts on the floor.
I like Craig Morrison's 3G target he set for his 'Vette (
http://www.popularhotrodding.com/tec..._2/index.html). I'm doing up a '64 with a 2010 ZR1 suspension and tube frame, so hopefully I can get somewhere near his.