That book has been hyped up so much that I'm already bored. There'll be some (independent) reviews out soon, so it'll be clear whether its worth blowing our hard earned cash.
There are also a lot of 'fake' book 5's out on the net. Have a look at this review page:
http://www.virtualbookcase.com/book/detail/45000493
Alan
PS. Yes, I'll almost certainly buy one, but no rush
