I would like to redirect my experience into a better channel. Instead of being BROAD I would like a narrow scope ("Jack of all trades master of none.") I would like to change this and become a master of at least one. I feel going the DBA route is better than mastering in a language. So what I'm looking for is :

What materials would you suggest reading?
Courses?
Web Sites?
Learning Tools?
and of course
Where do I sign up for Exams.

Thanks ALL
Shawn