when new book about flex 2.0 is coming out ??

Waiting for an eternity for a book about flex 2.0.

I can't speak to when a new book might be coming out; and my experience with 
Flex is limited at best.  So take what I say with a grain of salt.  I have not 
used Flex before, and have just recently downloaded the BETA of Flex 2 and 
started going through the tutorials.  I plan to start developing in Flex when 
2.0 is released; and I am making arrangements to take an intensive training 
class in the next few weeks.  I bought the 1.5 book and am in the process of 
reading it now.

 One of the things I have liked a lot about the 1.5 book is that it goes a lot 
into the concept of developing RIAs, not just into the technical details of 
Flex 1.5.  IN fact, the author made a point of saying a couple of times that 
they weren't trying to duplicate the documentation that ships with Flex, but 
trying to discuss best practices for RIA development, and deal with some of the

conceptual points as well.

 I certainly wouldn't describe it as a waste of money, even if it isn't 
everything I need right now either.