I like the restraint Notre Dame has shown with their uniforms. Too many teams have gone insane pairing every combination of colors they can think of (i.e. Oregon, Clemson, West Virginia). And why the hell do Florida State, Rutgers, and Louisville wear all black uniforms? They don't even have black as a school color.
I know the reason for this is mostly due to marketing and commercial purposes, but I like things I can count on. When I watch ND play I know I'm going to see gold (for the golden dome), blue ( for the Blessed Virgin), and every once in a great while green (for the university's Irish heritage). Any other uniform for the Irish is unnecessary as far as I'm concerned.