Goes to show how much this is a personal preference. My wife is an excellent cook and she absolutely wanted a galley down. For one thing she has a very messy style of cooking, and while she likes a little company while she cooks, not a whole crowd, and given our beam and dinette that works out fine. We had a very very nice 61MY on our final short list, but the layout alone ultimately eliminated it. About the only ergonomics we liked more was the ladder from lower helm to upper. Besides galley issues, I did not like the pilot house set up, especially visibility, no walk around decks which we both treasure for many reasons, and most of all we absolutely love the separated encloseable aft deck which is by far the most used "room" on the boat.
At the time we were looking, 5 1/2 years ago, general condition of the boat had far more to do with price than one layout vs another. I actually paid more for my 56 than I could have bought that 61 (and another for that matter) or as would have been the case with a couple of Series II 58's that were in the running. Haven't regretted it for a minute, quite the contrary.
So you have to spend a lot of time thinking through how a boat will work for YOU, then compare apples-to-apples.
