If not now then never.
SCJP 1.5
SCJP 1.4, SCWCD 1.4 - Hints for you, Certified Scrum Master Did a rm -R / to find out that I lost my entire Linux installation!
Vassili ... SCJP 5.0, SCWCD 1.4, SCJA 1.0
Spot false dilemmas now, ask me how! (If you're not on the edge, you're taking up too much room.)