Don't buy them they won't help you see any better!  Normal bulb with blue
coating, they are actually dimmer then normal.

I bought a set of Sylvania Halogen XP (I think) that are direct
replacements for the original bulb and they work great.  Better light
pattern, brighter.  For a further boost I'm thinking of running heavier
gauge wires upfront from the battery to reduce the voltage drop.

Dave K.