By far, my favorite holster is the original Remora IWB holster.
I have an Urban Carry on the way for those occasions where I have no choice but deeper concealment. Obviously I have no input on this one yet.
That other holster I use is one from ActivePro Gear. I wear a lot of cargo pants and cargo shorts. They have a holster that is made to fit in the cargo pocket without allowing the gun to flip around in the pocket. I use this when I'm driving. I move it from IWB to my cargo pocket, which is much easier to access while sitting. I also will keep it there when I'm around the house, just because it's more comfortable if I'm wearing it all day. It's overpriced IMO, but I couldn't find another similar holster from any other maker and I really like the utility. It also has a slot for a spare magazine, although I keep a small flashlight there instead, because the spare mag sometimes interferes with the draw.
As one of the other posters said, be prepared to wind up with a bunch of holsters that you won't use. I'd love to have the money back for all those I'll never wear again. I could easily buy another pistol or two.