One of the most helpful and challenging books that I’ve wrestled with in the last couple years is David Allen’s Getting Things Done : The Art of Stress-Free Productivity. Potentially transformational. Difficult to apply. Worth every moment of effort.
One of the best advocates of GTD is 43 Folders Merlin Mann. Great stuff on a regular basis. He did a talk at Google in the last few days. Check this video out if you’re ready to take a step in the direction of organizational health: