>Hey Andrew, the idea isn�t ALL bad !
>You could use tinted glass and refuse to go off 
>your brights no matter how the oncomming guy 
>flashes ( if he�s not equipped with blue/red 
>lights on the roof that is) his headlight ;-)
>Nah, just joking
>BUT
>yellow or even green lenses are helpful in some 
>weather conditions ie dawn, dusk, fog ........

I'd forgotten about that... I used to use yellow 
goggles on my motorcycle in low-light conditions. 
I think the yellow increases contrast.