There's a trick for finding your tracking number in UPS's system before Apple sends the e-mail (it's in the "my phone has shipped" thread on these forums). Go to UPS.com and do "Track by Reference." Put in your billing phone number with area code as the reference number, and enter your country and zip code. Not everybody's are showing up yet, but many people (myself included) have found that their phones are already showing up in UPS's system even though the status at Apple.com says "preparing for shipment."