darth vicomte the blog entries were closed by the time i read your blog,
so here is the answer to your ? according to the EU.

mace windu's lightsaber is purple because he braved the rock encrusted natives of Hurikanne to recover rare purple crystals that gave his lightsaber the violet hue.
another jedi favorite who has a LS with a purple blade is corran horn whose dual phase lightsaber alternates between a purple blade and a slightly longer silver blade or vice versa.
oh yeah i bought Serenity, have seen the series and can't wait for the sequel. browncoats for ever!