One of my favourite tools has to be Metasploit and version 4 has been released and is available for download.

Updating an existing instance is a cinch, just run the msfupdate or SVN and you should be good to go. Alternatively you can get fresh install files from the metasploit web site. More info here --> https://community.rapid7.com/community/metasploit/blog/2011/08/01/metasploit-40-released?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+metasploit%2Fblog+%28Metasploit+Blog%29

Enjoy.

Mark