These are (apparently) the best street legal globes that fit a standard H4 headlight:
http://www.powerbulbs.com/au/product...on-130-h4-twin
Surprisingly, Phillips have managed to more than double the light output of a standard Halogen with the same current draw as the standard globe.
If you buy from the powerbulbs website, use the discount coupon :
HOPPYEASTER
and you will get them delivered for about 1/2 the price they are being sold at Supercheap Auto, et al.
fwiw)
c