I expect that LED tech will continue to improve at a fairly rapid pace, so I also expect to keep buying lights. I will admit that I was a little surprised when I heard about the B&M Luxos since it does seem to be a big improvement over other dyno lights. It does seem to use a battery for the high beam.

The lights I have now are pretty good though, and dyno lights are pretty robust so I expect to keep them around for a long time.