Just get a Shimano DH-3NXX hub if that is want you want. You won't regret it, just like you won't regret a SON dynohub, both are fine produts. Shimano's new dynomhub, the DH3-80 is even closer to the SON hubs, at least regarding weight (490g). Probably not easy to get right now, my usual on-line shop (
www.rose.de) doesn't get it until Oct./Nov. The price will be 67 euros compared to the DH-3N71 that sells for 55 euros.
B&M is coming out with a new rather spectacular 3W LED based dynamolight called "LUMOTEC IQ Fly" (Gold medal at the 2007 Eurobike show). B&M claims 40 lux, which is more that a doubling of light output compared to their other top halogen models. It uses the LED for standlight too (3-5 min.)
All its light is indirect as seen on this photo (notice that no LED is visible in the reflector):
http://www.radfahren.de/modules.php?...=120&photonr=7
The list price is 59 Euros, but I expect that the actual on-line price will be lower (at least in Germany). It should be available in October. I will buy one for my main bike as soon as possible, not because I think my B&M Lumotec Oval isn't bright enough for my needs, but because I won't have to worry about bulbs anymore since it is LED based.
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Regards