Audi Advocate

I am having a tough time with headlight bulbs. Osram, Philips and Sylvania seem to be the leaders. I'd like "bright white" - 6000K? (for distance and clarity not looks). Price no object i just want the best available. So many choices - I appreciate your expertise if you have upgraded for purpose (vs. for looks). Also - are they "H7?" Owners manual does not say .... defers to the Dealer ;0(
(I use PIAA Yellow fogs - they are the best fogs by far I have found)
Thank you - Bryan/Toronto