I found a Crimson Trace laser for the KAHR's. And of all places, on Ebay. And at a pretty darn good price too. $189.

http://cgi.ebay.com/Crimson-Trace-LG...3A1%7C294%3A50

It fits models: P9, PM9, P40, PM40, CW9, CW40, TP9 and TP40

Darn, I just bought a case of ammo, or I would be getting me one of these.