Once I get beyond pocket size and go to IWB, I prefer a gun that allows me to get all my fingers on the grip frame.
That's pretty much where I fall as well!
If I'm in basic "pocket carry" mode, I'll have the 642 loaded with +P Gold Dots or +P Keiths. The next step is IWB carry and the M&Pc .357sig.
I'll revert back to the 1911 when I can do so and not worry about a policy violation. That's a few years off, though.
George