A good complement to Getting Things Done and a book I will be working my way through in 2008

Amazon Synopsis
In this book David Allen tries to make us work better, not harder. He offers over 50 productivity principles to help you clear your head and focus, enabling you to identify what drives you, what holds you back and how to be ready for anything. With motivational insights and inspirational quotes, he shows readers how to make things happen with less effort, stress and inefficiency, and lots more energy, creativity and clarity.