I know this subject was floating around a while back, but there's an updated article and pics on Edmunds about StonGard. Looks like a pretty good idea. Probably too late for most folks up here but you never know.

Check it out at: http://www.edmunds.com/news/column/m...2/article.html

The company's site is at:
www.stongard.com

Not cheap but if it saves your car, what the hell, right?