I vote blue (473nm), because it's a wonderful sapphire-like colour. I have never seen one in real life, but in all the pics there are, it looks friggin' awesone.
A handheld 1 watt blue for $100 is my dream, but it will most likely not come true in a looooooong time.
A handheld 1 watt blue for $100 is my dream, but it will most likely not come true in a looooooong time.