The 70 lux version of the Luxos appears to be a useful lamp, superior to the IQ generations of which I've constantly complained about their poor side-throw; it must be safer on narrow lanes if that tunnel picture in Dan's post above represents a throw that will be matched in production, and not a wishful spread of nothing real mocked up by the ad department. Since I used to be the ad department, you'll excuse my cynicism, but after my recent experiences with the second generation of IQ lamps, my money will stay in my bank until I see independent photographs of production versions of these lamps. For instance, the BUMM publicity photos of the second gen IQ didn't show the wretched hotspot...
As I have an E bike, if this lamp is good, I look forward to the 140 lux version of the Luxos. That's Big Bang, HID lamp, territory, get the hell off my road with your poncey SUV! And the BUMM specs in German, to which Dan kindly directed us, seems to say a handlebar switch comes with all but the cheapest model, which is autoswitching, so presumably one will use the Luxos E on 65 lux as a dipped lamp and on 140 lux for really, really fast downhills taken at daylight speeds. We've already seen with the first gen Cyo, the good one, that 40 lux was more than enough for fast work, that the 60 lux had the extra illumination wasted on useless reach when it should instead have been used sideways to orient the cyclist more comfortably in his surroundings, not even to mention a spot of elevation to catch important road signs like junction and give-way warnings. (You can tell, I nearly had my head taken off by a truck crossing a road from which I was supposed to give him the right of way; I just never saw the crossroads nor the sign, and didn't hear the truck because there was a tractor on my rear wheel.)
It takes BUMM only ten years to catch up with their customers... They're just lucky that their competitors are even slower.
Andre Jute