I did order as soon as it went live on the web (my order says 12.05am but it was later than that). Im guessing they will do it in order but could be wrong still no money gone or shipping number yet.
That's a chance in a million just be patient if it arrives early you should take a ticket in the lottery
Apple has a very specialized distribution system that is amongst the best in the industry so again be patient.
I am also awaiting delivery on May 28th so you are not alone.