I'm doing the free Amazon Prime trial and yes, 2-day shipping was free... I'd presume their slowest shipping option would be free to anyone. Avoiding $17 or so in sales tax and not having to stand in a line (as I went out last Sunday to Best Buy and just turned around and came home after seeing the line) were big plusses.
I just know how frustrating this is to those still trying to get one and regret even starting this thread given the ridiculously limited availability. I read through a few of the 'just keep refreshing' posts on Amazon.com and I tend to think that's all silly talk... I just think I got really, really, really lucky as I check Amazon.com perhaps once a day and wa laa after two weeks of checking there it was. I still have some doubt about it all and will until it's in my hands, but, yes, I've received an order confirmation and it's moved beyond the cancellable state saying that it's being readied for shipping in my account.