Help Me >>>>>>>which Pen testing Course should i take


1.offensive-security
http://www.offensive...ting-backtrack/

2. CEH


3 . Elearning security .com

http://www.elearnsecurity.com/

i know networking and i am good in programming languages such as c , assembly, python. Which course should i take to be a successful pen tester and which is the best certification , if there are any other courses /certifications please let me know