"If you have a bookshelf, you have to fill it with books. If you have a Getting-Things-Done-like system, you have to fill it with tasks - so sometimes you create more work for yourself than you actually need." - Jason Fried of 37signals
You can read more here: http://michaelnozbe.com/what-jason-f...inks-about-gtd or download the newest ( #8 ) issue of Productive! Magazine http://www.productivefirm.com/Magazine/ (free PDF or iPad app).