I'm doubly unhappy to be the one to have had a bad experience at KEH, & I hope that my earlier post is clear about the fact that I played a part in the mess. I was new at the time to both rangefinders and mail order. After reading so much KEH praise here, I naively expected a fully functioning camera to arrive & failed to test it in a timely manner. That's really the point of my post; the praise here makes it seem unecessary.
I learned that it's essential.
As a Canadian, I would not risk another KEH purchase because of the additional sales tax and shipping costs which are not recoverable. I believe they depend on their excellent liberal return policy for customer satisfaction. In my case, inspection couldn't have been more than a cursory glance. At the time of purchase, I didn't know enough to judge that I should have eaten the sales tax & shipping loss. I'm now stuck with a BGN M3 that was no bargain. Rich815 looked through the viewfinder and diplomatically said, "Well, it's usable." That's what I'd say as well, but I didn't buy an M3 for an ok viewfinder. Maybe someday I'll be able to sell it in person to someone who for $400-$500 could put it to good use.