When you buy the Sony PRS T1 for $129.99 from the Sony Store online you get the first Harry Potter book free!!
It's a limited time offer. Good while supplies last. It looks like you can choose any color now too not just the black ones like it was supposed to be when they first came out.
"With your purchase and registration of this Reader, you'll receive a special eCoupon code* via email from the Reader Store by Sony, good for a free eBook download of Harry Potter and the Sorcerer's Stone from the Pottermore Shop."
Sony Reader with Harry Potter & Sorcerer's Stone