A lot of votes for the Shield!
We all have our preferences and ideas of what makes something good. Once I handled a Shield, I crossed it off my "interested" list. Here's why"
NOTE: I'm not dissing the shield, just sharing my thought process, which might help someone else narrow down what will work best for them...
I've carried a fullsize XD45, A glock 20, Glock 21, XD40sc, Smith 442, Glock 30, Glock 19, Glock 36 and Kahr PM9.
I've learned I'm a pocket-carry kind of guy. When I'm about to walk out the door and realize I need to grab my pistol, I'm FAR less likely to actually fetch it and put it on my person if I have to undo a belt or spend any time attaching it to me. I'm lazy. A pocket pistol in a pocket holster allows me to simply grab it and stuff it in my pocket - and head out the door.
For a pocket pistol to be *reasonably* carried, it must be small enough it can go into and come OUT OF the pocket reasonably. This will depend on what kind of pants you wear. While the pistol is in your pocket, you must be able to walk, run, bend down, kneel, etc etc without the pistol poking you and reminding you it's there all the time.
So, those factors alone dicate to me I need a small pistol. The Shield does not qualify as a legitmate pocket pistol.
If I'm going to go through the effort of attaching my pistol to my waist, whether IWB or OWB, I have opened up a whole new world of possibilities in terms of size and capacity. I'm no longer limited to a tiny pistol with low capacity - so I'm NOT going to choose a "small" or "low capacity" pistol. I'm not going to choose a pistol just slightly bigger, or with just slightly more capacity than my baby pocket pistol. I'm going to step up to a real pistol. Usually, that will be a G19, G20, G21, G29 or G30.