Carried a 40c for 2 months and traded it in for a Shield 40 in February. Much a easier to carry and like many others including yourself have said, it just feels good in the hand. I love Remora holsters for IWB carry and they can be used without a belt and are inexpensive (start at $25)...
I bought my XDS the same day I bought my Shield 40 and love them both. Which one I carry depends on the day. They are virtually identical in size and weight.
I wasn't thrilled about the grip serrations either, so bought Grip Tape to cover them and it is much more comfortable in my hand...
I had a failure to feed problem a few days ago with a new M&P9. The FTF was always when there were 6 rounds left in the magazine. I was using the two magazines that came with the pistol and it happened consistently with one, periodically on the other. It looked like the follower was getting...