You'll have to find a range where a bunch of rich guys shoot. At our club, everyone either uses Federal blue box ammo, steel rims, or if they use brass rimmed hulls, they pick them up and reload them.
On that note, depending on your press, you can use the hulls with the steel heads. A press with a force over die like a mec 600jr does not do too well with the steel hulls, but a sizemaster with the collet sizer works great. I use the same loads and components as I do for AA hulls for shooting on the sporting clays courses when I might not find the hulls.