I bought a case... and it hurt, but decided I wouldn't use my good stuff for target shooting anymore. And, I'm tired of not shooting because there's no ammo available.
I have "work" rifles that function perfectly with steel cased rounds and I have target rifles that I load for that rifle. If it came down to it I would load a mag of whatever was close and know that I could be effective with it. I may be off an inch or two, but on a center chest shot, as Hitlery said "what difference does it make"?