PIAAs are a waste of money. You don't see any better. Been there, done that.
However, my new Philips VisionPlus H4s are xenon like in the light output. Just unreal for halogen. My fogs are Philips All Weather H3 (yellowish). Wonderful combo. All are stock wattage, too, so no melting assembly issues.
1988 Mercedes-Benz 260E