Great Productivity Resources
Zen To Done:
The Simple
Productivity E-Book!
Zen To Done takes some of the best aspects of a few popular productivity systems (GTD, Stephen Covey and others) and combines them with the mandate of simplicity. It makes things as simple as possible, and no more.
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To get the ZTD system in a handy e-book, with additional material, resources and forms, you can purchase it here for only $9.50:

An easy to use, web-based to-do list. Get organized, stay motivated, and be more productive. FREE! Go to www.toodledo.com