There is a lot of information about calibration on the Light Illusion website.
See:
http://www.lightillusion.com
Specifically the LightSpace CMS system is designed for very accurate display calibration, and is used by many post facilities around the world.
Please feel free to ask me any questions.
Cheers,
Steve
Steve Shaw
LIGHT ILLUSION
steve@lightillusion.com
+44 (0)7765 400 908
http://www.lightillusion.com
Skype: shaw.clan
THE ART & SCIENCE OF DIGITAL IMAGING