What causes you to carry one gun over another?

I never considered this until this morning and I was reading an article on the difference between a court gun and a BBQ gun. It dawned on me that I carry for the way I am dressed.

If I am in a dress suit for weddings, funerals and other celebrations, I carry a Kimber Custom .45 with nice aftermarket ivory grips in a Galco shoulder holster.

If I am dressed in sport clothing such as western dress shirt and knit jeans, I carry a S&W model 66 with 4 inch barrel in a pancake holster.

If I am working serving papers or in the street doing evidence work, I carry a Glock model 22 in a pancake holster with a spare mag and cuffs in a case on my off side.

If I am out on the lake, I carry a S&W model 36 snubbie in a S&W side holster.

If I am walking through the woods where I may run into critters, I carry a S&W model 29 in a pancake.

How does your method of dress determine the type carry you do?