I thought one posters comments about the quality of a Walther PPK compared to a plastic Ruger LCP was right on. Except, I have owned a couple of Walthers finest, and they are beautifully made, and feel like a gun should in the hand. They also were not reliable with HP's, and sometimes not ball either, and they tended to cut my hand if I was not careful. My cheap little LCP is smaller, lighter, more concealable, and has been nothing but reliable in about 800 rounds of mixed ammo. The Walthers were the nicer guns. The LCP is the better self defense tool, regardless of price. Just saying..
Revolvers? There will always be a market for wheelguns as long as hunting, reloading, target shooting, and self defense are still around. Revolvers were so popular at one time because the semi-auto market offered slim pickins. That's not the case anymore, and a whole new generation of gun buyers don't have the same sentimental attachment to blued steel and walnut us older folks have. They tend to search out the right "tool" for the job without the emotional baggage we tend to carry. Me? A quick inventory in my head shows my handgun collection is about split between auto's and revolvers.
Larry