if u want to buy in the net this site is quite good
Power Bulbs - autobulbs, autolamps, xenon headlights, car bulbs, headlight bulbs, osram silverstar, silver star, philips vision plus, philips blue vision, bluevision
on the left under bulb type click "type of light"
then when the page loads click on "Blue Xenon Effect"
They have the phillips osram and some own brand ones. You get 2 for 1 on the own brand ones.
They also do the non orange coloured indicator lights too
