For already some time now, I subscribe to Jean-Paul Boodhoo's blog. Recently, he published an article for Code Magazine called "Individuagility" -  I'll cite the master himself:

So you have researched agile development techniques, and are all fired up to put them into practice. Armed with this drive and passion to learn, what are some steps that you as an individual can take to incrementally grow your knowledge and practice of agile development techniques?

In my opinion, this article is much more than that, it is really about becoming a better developer.

A must read!