I own the P10S, but since the only major difference are the dimensions, I think I can comment readily enough -
When you think of a P10 series gun, you are essentially wanting to get a Glock (i.e. a striker fired polymer pistol, probably without a safety) but are looking for a reason to get something else instead.
So, comparing it to a Glock 19 (which the P10C analogues), you can summarize it as
Pros
- better trigger out of the box
- just as reliable as a Glock
- has a 1913 rail so potentially more accessories
- has better sights out of the box
Cons
- less aftermarket products available
- Glocks have the mystique of being the most reliable semi-auto available
- 2 oz heavier
You can see the cons are rebuttable, primarily because this is a CZ forum, LOL, in the sense that you need less aftermarket products when the product is better out of the box. Also, the mystique of Glock reliability is well earned but hardly exclusive to it. Finally, if you can really feel and show you can perform that much better because of a 2oz difference. I have a stack of mattresses I'd like to sell you, your highness. =)