Color 'Round Linux

I would like first to give some general usefull links about Linux Color Management.

• THE color management Linux link. The articles provides lots of good information and points to several usefull information site.
• About xcalib and Argyll, kind of article where the solutions lies in the post ''below'' the article. But nice because everything is in there. I will try myself to put more screenshot and some clarity on how to procede exactly step by step to get some good results.
• Yet an other article-and-post kind