n3r, PWB/OSCP is a great course and I would highly recommend it

I have a video and write-up on the exploit development process which can be found on my website at
http://www.thexero.co.uk/exploit-development/I was proficient in the majority of tools on BackTrack (including nmap and metasploit) but there is alot more to break into a computer than just being able to use some tools.
If you get a chance drop by #intern0t on irc.freenode.net and we can set you up for my hacker CTF challenge and you'll see what I mean xD
Being proficient in Python isn't necessary for oscp, but it does help and personally I had built 2 exploits from scratch before I started pwb which definitely helped when it came to the exploit development modules
