I've had several GP100's and I've been happy with all of them. Only gripe I have with the standard GP100 is the "Read instruction manual" printed on the side of the barrel. My new Match Champion has it on the bottom where I think it belongs.
The six series are a little more compact but I prefer the GP overall, especially the 7-shot. Six series parts/repair are more of an issue as well.
That's a fact! If I needed one I would much rather have this GP100 than a brand new one.Check the classifieds. Great deal on a GP 100 over there