I'm just gonna leave this here, flame away if needed, but read the reviews.
http://www.harborfreight.com/6-inch-off-road-light-system-95811.html
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I've had some of those before. Not bad lights. The chrome plating is junk, however, and they will rust within a year if you live in the salt belt. When rust started appearing through the chrome on mine, I pulled them apart, sanded them to rough them up, and painted them. Didn't like the chrome anyway. Worked great for years. Their stock bulbs are junk, but good bulbs aren't that expensive. The reflectors aren't the greatest either... sort of a matte silver finish, but it makes for a nice even beam pattern.
25 bucks apiece (factoring in 15 bucks for a new bulb and a paint job) is a great price for the amount of light they throw.