What are you experiences with this brand?

I'm wondering what the general perception about JBL car audio is. I would like to know what everyone has seen/experienced, or knows from other sources. I don't want to know what you've heard from a friend or if someone has told you they sucked or are great, I care if you have had personal experiences or if you have an opinion with a good base. Please explain what you think about JBL, and why you think that way. Thanks!