You should get better imaging with the in walls ... but if your ceiling is low the distance to your ear may not be enough to take advantage of it. You also can’t toe them in. The in ceiling has amiable tweeters but since the speaker is recessed you will be able identify where it is. On walls mounted to the ceiling are the best bet if you don’t mind the look. Nick has blazed the way with on walls and it’s the route I’m taking.