Well, there goes my 7-7-7 theory (that is, that Book 7 would be published on 7/7/07)…

Let the pre-orders commence!
(JKR)
Update: according to Bloomsbury, the two versions of the book have an RRP of a whopping £17.99 (approx $35), making them the most expensive Potter novels yet…
…but it looks like Waterstone’s is price-matching Amazon.co.uk, selling both editions at £8.99 – more than 50% off.
Preorder from Amazon.co.uk: Children’s Cover | Adult’s Cover
Preorder from Waterstone’s: Children’s Cover | Adult’s Cover