The very first time I fired a handgun, my natural inclination was to go into a Weaver stance, though it was of course, very sloppy. I also didn't know it was a Weaver stance at the time, as all I was trying to do at that point was hit my target.
I got faster and faster with it and had fun. It just felt stable. I also noticed that with my vision, it seemed to give me the best sight picture. I was able to shoot with both eyes open, but it let me sight along my better eye. The interesting part is that at the time I was cross eye dominant. I shoot right handed, but was left eye dominant. It never bothered me, but did require me to hold a gun a little farther to the left then seemed natural.
Then came the FNP45. That gun would regularly eject brass down my shirt, into my glasses, and onto my collar bone. After being smacked and burned enough time, I decided I was going to start training myself to shoot right eyed, and therefor hold the gun just far enough to the right that ejecting brass wouldn't hit me. It took a solid year and a half of willfully dry firing with my non-dominant (right) eye. Sure enough, I am no longer left eye dominant, and if I do the eye dominance test now, my right eye has in fact taken over. I do not know if this is actually a neurological change that I forced my body into, which seems unlikely if not impossible, or if I simply trained my body to use my right eye as the dominant spatial reference receiver. (i.e. muscle memory)
What was the result? I have been experimenting more and more with the isosceles stance. For me, I don't necessarily see more accurate shooting, and I am not really any faster at presentation, but I find it much faster when transitioning between targets. I'm not sure why. The unfortunate part is that I blew out a few disks when I was 25. This means that the forward position of the isosceles stance tends to screw with my spine a bit, which might be why I naturally incline towards the Weaver stance.
I'm just sharing my experience. I do practice one handed shooting as well, in a bulls eye capacity, as well as a self defense type training.
If one handed shooting works for you, keep it up man. If you are concerned about defense, you might want to experiment with some other stances.
I've started to do more one-handed shooting recently, it is fun and also is useful if one hand is injured in a fight. It's folly to learn to shoot exclusively with two hands I think.
I agree. In a bad situation, that practice could save your life.