I have a 1.0 Shield 9 that was my carry gun till I bought a 2.0 Compact 9 with 4" barrel. I shoot the Compact better and really like how it feels in my hands. I prefer the thickness of a double stack grip over a single stack, and the texture of the 2.0 grip is perfect to me. The increased capacity is just a bonus, not really a big deal to me. I also carry AIWB and don't feel the Compact is any less comfortable to carry that way. In warmer weather if my T shirt is a real light one and I don't have a cover garment I sometimes go back to the Shield simply because it doesn't print as much.