Yes, a lot of them are just variations of the same style.
Yes, I do love those dress shirts a lot, and am obsessed with the aviators.
Yes, the clothes need ironing as hell.
The blue cap my look a bit out of place sometimes, but I enjoy wearing caps and it goes better with my outfits than a baseball or 'gangster' cap. Plus, I usually have my hair shaved (not bald, but shaved head) so the hat covers that up.