Just finished dealing with these folks....
Sent a slide to have tritium inserts put in the Novaks that were already on board. The folks there called me and told me that the amount of metal in the newer style Novak rear sights wouldn't allow them to install them. I had them just put on the PT sights, three dot set up. The gunsmith there said that I probably would not like the PT as well as the Novak shape. He was right. They were, to my eye, ugly. Worse....the sight picture was not as crisp. The back of the PT sight needs something, I don't know what. The PT folks offered to open up the rear notch and serrate the rear sight, free of charge. I was sort of afraid of this, so I had them just put a bar in the lower portion of my Novak, so I have a three dot and bar now, with the bar-dot tritium set up. They did that free, and I sent them back the PT sight. They would have installed it for free, too, but I didn't want to be without the gun. Original turn-around was less than a week, they give LEO's a speed and price break. The main thing was, they were always quite friendly and helpful with phone and E-mail contacts, gave quick service, and seemed a lot more interested in me being satisfied than in making a buck. Quality of the sight? Don't know yet, but even the folks who have had a problem with them say the warranty work is hassle free.