Patrik is a script-writing machine! Thanks to his work (and many other people), we now have 307 NSE scripts. They are all documented here:

http://nmap.org/nsedoc/

Also, we released a new version of Nmap today with 51 new scripts and many other improvements:

5.61TEST4 Release Notes: http://seclists.org/nmap-dev/2012/q1/23

Download Page: http://nmap.org/download.html