I *almost* bought a CM9 instead of the P938. I had the salesman bring out both so I could compare them side-by-side. After so doing, I bought the P938. I liked the trigger of the P938 much better. I'm NOT a big 1911 fan, but that has more to do with the cartridge than the gun itself.
I didn't like the big gap between mag and grip on the CM9 - thought I might get pinched a few times. The P938 just seemed better overall.