Excellent Raw converter here for those wanting to try something different or are unhappy there company's software (read: Nikon software)
I have been beta testing a development copy (22.214.171.124) but if you need a stable platform and do not own one of the newest cameras, then I suggest trying 3.0.1.
There is also versions for Mac, for those of you oriented that way. Also a 32 bit version and a version for older and versions for older operating systems.
The package is pretty complete and constantly in development.
It is fast and good at doing batch jobs.
Sooooooo, for those that want something free or want to fight against the big bad corporate machine (read: Adobe) then check it out. As an open code system is it constantly under development.http://rawtherapee.com/