By the way, John Carpenter's audio commentary was entertaining. Like him, after all these years, I still love this movie despite the bad special effects involving the creatures.:)
I'm watching the Blu-ray again with John Carpenter's audio commentary and you're right that it plays in Region "A" too. I'm not so sure about Region "C", but it's at least Region "A" & "B".
I got the same estimated arrival date. They took my order, and I ordered it three days before you place your order on August 15th. I noticed earlier this week that my order hasn't shipped out and that they're not taking any further orders.
My last viewing of that DVD was last October. IMO, the video presentation was okay, but I would definitely buy it again for an improved video presentation.