I think C&J Sporting Goods has some (in Bethany) around $600. Cindy will often drop the price a little, if it isn't already crazy low. I really like them, fwiw.
I've seen $500 S12's listed online, but none of the sites had them in stock. The ones that didn't say "out of stock" told me they had none in stock when I called to verify inventory.
I picked up at Sooner State this evening and I'm now the proud owner of my very first AK style firearm. I've got an ammo can of random 12 gauge rounds that I'm going to try to put a dent in this weekend.