You shouldn't need any same-day or overnight delivery. The game is likely with your chosen supplier right now, they don't magically receive the game on the date it is due for release ;) A friend of mine who works for Game already has her CE edition in shop, opened and pawed through-- she just isn't allowed to take it home yet :P
Play.com state mine is in packaging right now, expected to be posted out tomorrow. I've always pre-ordered with Play.com and always received whatever it was a day, if not two (and in the case of Age of Conan, a whole 3!) days early ready for the servers or whatever going live.
Edited, Sep 19th 2010 4:07pm by Kordain
To endanger the soul endangers all,
when the soul is endangered it must become a Warrior.