Merc
I've had Mercury Ins for many years now, and absolutely give them the thumbs up.
Last accident I was in, it was technically my fault, (I rear ended someone, who drove like a blind crack-head with tourette's), and they fixed everything on both cars with no problems or hassles. My rates went up $10/mo.
When i was shopping around for rates, they were very competitive. I left State Farm.
LB