Jeah the system monitor is quite cool. But can you change the colors from where? or is this feature yet to come... I personally don't like the yellow/red mixture
Does the color settings have effect to the system monitor's colors?

edit-->>>
Ok, it seems that the theme is responsible about the colors. But still any way to change them by your self?

I can't really find out a way to change it manually. Probably a "wishlist" item a b.k.o