Getting used to Getting Things Done

I work at a job where I am bombarded by a steady stream of e-mail.  They're almost all project and task related - I tend to not be directly responsible for projects, instead delegating the responsibilities to managers who work for me.  Although I have fairly bad memory and lose track of some tasks, I  am reactive  and able to make quick decisions.

I read about a task management methodology called Getting Things Done or GTD.  It's described in this book by David Allen and is a method of task management that groups tasks by context in which they should be performed (things to do when you're outside, tasks to do at the computer, etc.)  I've read a bit of background in lifehacker.org and 43folders.com,  which are both big GTD sites.  It's geeky enough that I picked the book up,  applied its structure to my Outlook at work, and am trying it out.