After using pwdump (utility for dumping Windows password hashes) for many years and seeing so many different versions out there, it seems as though the community has settled on fgdump, the project maintained by fizzgig.

Info on the project is here:
http://swamp.foofus.net/fizzgig/fgdump/default.htm

v1.7.0 can be downloaded here:
http://swamp.foofus.net/fizzgig/fgdump/downloads.htm

Have fun,
Don