I went via AIB with Aviva as the UW. Cover was much better than AF and cheaper. I was pleased with this as I had a claim before with Aviva on a car write off. They were hyper efficient in getting a replacement car to us. Engineer wrote the car off the following day and 48 hours after that we had a replacement value which was very reasonable (and surprising) which we accepted immediately. Painless, professional and reassuring.