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You didn't specify the exact type your looking for, but I just put some 6 inch round KC daylighters on my Jeep's windshield and they are stupidly bright and appear to be very durable. I paid $120 for them shipped, so they were a pretty good deal as well.
I have run Hella 500s before, and they are bright but not as bright as the 130 watt KCs i just bought. Rigid does make some really good stuff too. My buddy has one of their light bars on his Jeep and it is really bright and can take a beating.