[quote name='blitzkrieg047']So, if we choose the 3-7 day shipping, it will arrive on the 21st?[/quote]
Only if you preordered it like a week or so before release. You can't preorder it today, select the free shipping, and have arrive on Tuesday; those shipments have shipped already. But you can still preorder it and get the free shipping, you just won't get it until a few days after the release date.