Found this on fatwallet.com forums.
"Someone also just posted on the Apple.com forum thread this for those who bought their iphones in a retail store (can't confirm if it's true though):
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http://discussions.Apple.com/thread.jspa?threadID=1115485&tstart=0
I JUST GOT OFF THE PHONE WITH ONE OF THE HEADS OVER AT APPLE THEY SAID THEY UNDERSTAND EVERYONE CURRENT IPHONE CUSTOMERS DISSAPOINTMENT..
A $200 REBATE FORM WILL BE ADDED ON APPLE WITHIN THE WEEK AND ITS A REQUEST FOR A $200 REBATE!
YOU'RE ALL SAVED
EDIT..i wrote down as much as I could
"Right now we're reviewing the overwhelming response of the iPhone's price cut, and had no idea it would result in over powering the news of our new iPod family, thus tarnishing this memorable day. As a result we are happily willing to give a $200 3 week rebate if your phone was purchased inside a retail store."
I also confirmed
"Once posted the rebate form will remain open for 7 days, giving a week for current iPhone customers to apply; after 1 week, we will not process any new rebate requests"
that is from Mark Miller one of APPLE Inc's marketing heads."