I could live with the extra .3" of grip if the gun is thinner, say in the area of .9" thick.
I'll most likely buy one anyway. But it'll have to be comparable to my PPS in thickness before the PPS gets replaced.
Also if you look at the grip of the Shield, it will not have interchangeable back straps. There is no pin on the bottom of the magwell to hold one in place. If you look at the photo closely, you can see the back strap is an integral part of the frame. Not a deal breaker for me, but I keep coming back to the idea that S&W will be competing with Walther's PPS on this one.