Looks like a great gun for the money. I personally carry Glocks as sidearms, but would have no problem carrying a CZ. If you like to shoot - 9MM ammo is available again at less than $10 for 50 rounds (Wally World). .40 is still considerably more, but widely available.
I've seen lots of back an forth but, the difference in a +P jacketed hollow point round between 9mm and 10mm (roughly .40 cal) is negligible IMO.
Have you had a chance to shoot a CZ? Maybe rent one at an indoor range first and then make up your mind. Glocks are available used in the same price range, and they are hard to