I've switched one of my aircraft to Visicover recently and the other will be moving when the renewal is due.
Can't comment about the claims process because we haven't claimed. But, Bob Bevan was prepared to spend 30+ minutes of his time on the telephone with me to sell me the product and reassure me that switching was the right thing to do.
The monthly payments at 0% interest and the betterment option are both no-brainers, not generally offered by the rest of the market.