Just received this e-mail from amazon.co.uk:
I just got the email too.
So I hope the Digital Bits story about a September date is wrong.
It isn't. The UK will have the replacements first. Amazon can ship these discs faster because they have the logistics for it. The American replacement program will take a couple of days more time to ship, that's all. Early september after all could be as early as this monday.
I got the e-mail too. Great service from Amazon uk.