This really doesn't make sense... otherwise why did they give free updates to Aperture? They've added features.... And didn't a couple of the new iPod features get applied to the previous generation?
SOX is a huge quagmire of positives and negatives but I doubt it has much bearing on this. They likely want to sell more airports....
It does seem like a goofy interpretation. I could see how one might get there--some company selling a vaporware product for a lot of money in Q1, only to finish and truly deliver the product in Q2--it's that kind of accounting shenanigan that caused Sarbox in the first place. But it seems pretty strained when dealing with basically an upgrade. How is this different from software updates to Tiger? E.g., better functionality in iSync, or iChat, or Safari?
As for the b/g/n debate, isn't the n-standard supposed to allow multiple types on the network and not slow overall speed, just drop down for the nodes using the b/g technology?