The A310 made great headway in Europe against the 757/767 with KLM making them its first Airbus product. They fulfilled a particular niche at the time but as the 1980s turned into the 90s they quickly became surplus not through any real fault of their own. I have really enjoyed Aeroclassics A310 releases and hopefully there are still plenty more to come:

KLM Airbus A310-203 PH-AGH by rstretton, on Flickr