Thanks for the review. I would be interested in hearing any other experiences or observations.

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LEDs do seem like the way to go. There are so many options, it can be hard to sort them all out. The LED bike lights at princetontec.com look good to me.

There are probably some other good LED lights out there that I haven't even seen yet. If anyone knows of others that look good, I'd be interested in hearing about them, and checking out the websites and specs.