I think the blue is way better looking. I think unless your goal is to actually see something in the water, the blue provides a much better 'mood' and 'gee whiz' factor.
I have the blue S600 on my X45. I think you are smart to go with the 800. Mine are not all that bright.
Last edited by talltigeguy; 08-08-2010 at 9:07 AM.