The Complete Guide to High-End Audio (Fourth Edition)

Mr. Harley,
     I am wondering if you are going to be releasing your fourth edition of The Complete Guide to High-End Audio in hardback.  If not, I'll stop waiting for it and purchase the paperback.  Thanks in advance.  The book (I currently have the third edition) is awesome for someone who wants the lowdown on high-end audio, and I'm excited to see what you've added for the fourth edition.
Daniel