It could be a Best Buy thing or it could be an Apple thing. Typically, the whole supply line starts to "dry up" as the first part of the refresh cycle. We see it with all of Apple's products, most recently with the iPad2.
Originally Posted by cjhonney
My local Best Buy still has 3 models in stock, but they're down to just a couple units of each, according the the Apple guy who works in that store...He claims that he doesn't know anything until Apple officially announces it, and based on my experience with him, I think he's telling the truth... so I guess we just have to wait and see...