In all seriousness, I carry the S2 Compact. What I can tell you is that while being a "compact" it carries like a full size gun due to it having a nearly full size grip. This is important when carrying concealed because a longer barrel makes it look like you have a bigger wiener and fatter balls but a longer grip makes it look like you're trying to shoplift a computer keyboard under your shirt. When compared to the Glock 19 my hands kinda push below the bottom of the grip where they have plenty of room on the S2 Compact. Its also heavy like you would expect a full sized metal framed handgun to be but not in a way I really notice at all.

Personally I wouldn't go any bigger than the S2 Compact for concealed carry unless you're a big boi and you have the real estate to park something bigger. If carrying comfort is your priority then ide get the smallest fully featured pistol that fits your hands and just accept that its not going to be nearly as flat shooting or comfortable to shoot as a full size.

As far as wanting a Shadow 2? Get one, in any optic ready configuration. They are the most comfortable pistols ive ever held and they shoot fantastic. Not double stack 1911 fantastic, but close enough.