Phillips has the name. They have engineering and QC, but their cost per unit is high for what you get. As we see, many Chinese companies are reverse-enginering the top end units and producing them for a fraction of the cost. At $20/pair, you could by what, 5 sets or more for the cost of the name brands? If you think they'll flame out, just toss a spare back by the tool kit just in case.
The Phillips Lumileds ZES chips are quite a bit brighter, and the closest in size/shape to the halogen filament, thus their beam is the best of the bunch.
I finally figured out why I like Ducatis: With their exhaust note and dry clutch, they sound almost like a Guzzi!