Tomzuki,
Now that you mention it, I have also seen where the crimp from the seating die has caused some trouble. If I remember right, I also backed off on the crimp and got a factory crimp die, as I do personally like something of a crimp.
As far as the flattened primers, i shoot lots of reduced cast loads at reduced pressures, and some primers just flatten out. case being, I just loaded some 7.62x39 cast bullets in the 17,500 psi range and the Wolf primers that I was using looked flat. I am sure that they are just made of a softer material, as I had no other pressure signs and also had a nice black ring around the case mouth from the low pressure.
I am like at least some people, as I can not walk by a bunch of brass and see if they are worth picking up. In fact, I hope no one else pick em up, so there's more for me! Here in northern Wisconsin, we're pretty lucky as we can shoot almost anywhere. There's a county range just thought the woods from me, but I still shoot in one of the many gravel pits, should the mood strike me. It would really suck having to drive an hour to shoot.