The "Amazon is not shipping my order yet!" thread

[CptGreedle]

I pre-ordered 2001 back when it was first up for pre-order, and now that it is suppose to be available, Amazon tells me it won't ship for another 2 days or so. I know it's not that long, but why the delay?
The release date is today, and usually they are right on time (if not early). But this title is going to take an extra 2 days or so. Could it be that this is such a popular title that it sold out in pre-orders in the first few days?

For that matter, how do they determine who gets the titles first when their stock is short? Isn't it first come first serve?