I personally like the purple sabre, and I liked MagnoliaFan's touch of recolouring Dooku's to be gold — just as purple, being a combination of blue and red, represents Windu's aggressive fighting style (that's EU canon, btw, not fanwankery), I saw yellow (being a combination of red and green) signifying Dooku's moral ambiguity, which MF had already established with a few very minor cuts.
One thing I will say is that I preferred the 'flickering' sabres of ANH and ESB to the solid sabres of the other four films; the flicker went well with the buzzing and humming and lightning clashes and gave the impression of immense power barely contained. I hope Adywan can add a flicker to the sabres from ROTJ:R onward; given he's repainting them anyway to avoid the fatness and fix the colours it shouldn't be much more work, and it might even be easier given we don't need as precise continuity of thickness and position between frames.