I think the Air France/KLM lounge is better, if only because it has more restrooms and feels less crowded. Then again, Air France/KLM restricts Priority Pass access in late afternoon and early evening hours. The food in the Turkish lounge is, of course, way better but it is getting very, very crowded. Sometimes there's a line of 25 people waiting to get inside -- almost all of them are Priority Pass cardholders.