LaVere,
Milt Sparks makes a mighty fine product. As a matter of fact, I was planning on buying one for my K40. I knew that there was quite a turn around time, so I decided to shop around for something that would be a short-term solution.
I was perusing the Kahr website a year or so ago, and noticed that they sell holsers on the Kahr website. I picked up a Don Hume IWB holster of of the website for about $30-40 (can't remember right off-hand).
In all honesty, the craftmanship is probably not as good as Milt Sparks, but this holster is more than sufficient. I don't own, nor have I ever worn an IWB holster that was as comfortable as this. I could have spent more money, but I wouldn't have gotten any more functionality.
I will not be buying a Milt Sparks for my Kahr. However, I do plan to purchase one in the not-so-distant future for a 1911. I assume that the Don Hume will last me forever. But if it doesn't, and lasts for only 10-15-20 years, I can buy 3-4 more for the price of 1 Milt Sparks.
You get what you pay for, and then sometimes, you get lucky!
Just another option,
Stinger