I think that you should start practicing LDing right away, but keep up dream recall practice. I think that dream recall is one of the most important things that can be done in LDs. Check out this thread:
http://www.dreamviews.com/general-lu...important.html

It should give you some good ideas on what to practice while doing some RCs and MILD. The intro class can give you some good advice:
http://www.dreamviews.com/intro-class/