Options for editing & viewing PEF files?

[Glen]

On the Windows platform, what are the software options for converting or 
editing Pentax PEF files? Is there anything besides the Pentax software 
bundled with the *istDS camera, and the Camera RAW plugin for Photoshop?

Have the details of the PEF format been published? Does anyone know where 
to get the details of the format?


thanks,
Glen