Lots of holsters for the Kahr CW9. I think you'll find that about 99% of holsters for the P series (P9 & P40) will work with your CW9. For OWB, I have a Fobus paddle and a Galco mini slide. For IWB, my preferred carry for this pistol, I have a Lou Alessi. Pretty much every holster maker will offer one (or more) holster for the Kahr. You just need to find what type/style will work for you.
I think the Kahr's make excellent CC pistols. Their size/weight to power/caliber ratio is amazing. The only caveat I see is occasional reliability issues. Kahr says their manufacture tolerances are so tight that a 200 round break-in is required to ensure functionally. After the break-in period, I ran 200 rounds of SD ammo through mine to insure 100% reliability. My P40 didn't like Hornady custom, but it loves Winchester Ranger 155's. Just make sure your's is reliable with your chosen SD ammo before you depend on it.