I like my one wide spread BD (in the barley and rye madras fabric from this spring). Mostly due to the casual fabric I wear the shirt sans jacket, but I *really* like how the collar looks under one. I rarely wear sportcoats, but it does make the shirt a bit more versatile to my eye. I'll likely get a few more in dressier fabrics, to go with the normal wide spread collar. I don't wear ties with button downs -- and I rarely wear ties anyway -- so I can't speak to that.