I like club collars on shirts. Also known as the Eton or golf collar, the former because a large version of it was worn as part of the Eton school uniform and the latter because Brooks Brothers designated it that when Brooks still had influence on what things were called in the United States, the club collar isn't seen much today.
Go ahead and break up a suit. Take some risks with your jacket or pants. Just remember to maintain a sense of balance between your top and bottom halves. If you go bold on top with a pattern (like this plaid) or a color (white, midnight blue) or a texture