I just ran across this new free training course offered by offensive security, named "metasploit unleashed". You can check it out at http://www.offensive-security.com/metasploit-unleashed/

My quick glimpse at the materials are :this is a very nice set of materials, instructions are easy to follow. I have been using metasploit for a few years, and I am amazed at how much I picked up in this course. Speculation about this course will soon become non-free, and it is likely they will charge $250 USD. So, you know what to do...