Is this the first year they have the iPhone on launch? If so - they are operating the same exact way Radio Shack did last year. Radio Shack had pre-orders which meant nothing because no store knew how many units they were even getting. They scrapped (a few days prior - and you only knew if you called) the whole pre-order wait list and did first come-first served.
This year - they actually have the same "tool" as Apple and ATT (for example) which goes through the validation, etc which I assume means folks ordering at RS are better off than last year.
Again - sounds to me like BB is running their operation like RS did last year...
Have you pre-ordered one from BB ? If not you are making assumptions based upon incomplete information. When you go to BB for pre-order they take your information. They verify that you are eligible for pre-order with your carrier and then they take your phone order. How is this different from if you are pre-ordering from a carrier ?
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Once you pre-order from Bestbuy you receive email giving your order confirmation. That email also contains order number and details about your order. Everybody pre-ordering from Bestbuy are getting this email or not ? If you've just been handed a paper and didnot receive email confirmation you need to go back and check with local BB.