I'm using Firefox 1.04, and I've noticed that the results page after completing the home theater wizards doesn't allow me to change the color of the speakers. I first noticed it a few weeks ago, and I just reproduced the problem.

Oh, btw, the specific page you mentioned Amie works just fine for me.

M60's
VP150
QS8's
HSU STF-2
Onkyo TX-SR805
Audiobytes for the PC