"Manage Your To-Do List Without Getting Distracted" [MariaShriver.com] offers tips for helping you make the most of your time. One of the tips is to use 37signals tools reduce clutter.
The desk makeover: Make your environment conducive to working. Clear your desk of any distractions. Have the things you use on a regular basis at the ready. Everything else can go on a shelf. I use an online system by 37signals.com, which offers a virtual office management system so you can be paperless! I can access it anytime, anywhere. This is also a useful tool if you have clients whose progress you monitor.