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Offices might be closed already in where you live. If there is no email until tomorrow evening, I would give  a call
 
I wouldn't worry. I ordered my iMac yesterday around 7pm EST and got confirmation way later that night. Just got shipping confirmation around 5pm EST today.
 
haha - It's only been 2 hours, relax.:)

If you don't get a confirmation email by noon tomorrow, then I'd start to look into it.

Congrats on the new computer though!
 
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