Di-Notte here too. I have a 400L mounted on my helmet. My commuter has a dynamo hub, and I have another 400L mounted on my road bike; right now I have a Li-ion battery but want to get a regular battery setup, since I want two "different" headlight light sources. I have Di-Notte 400L taillights on both bikes. Chargers both at home and at work. I also have bar-end blinkies, and have battery operated rear blinkies on my seat bag. My commuter has reflective sidewalls as well. I have a downtube amber light, but haven't mounted that on the commuter (yet?) - it might be better for the mountain bike winter commuter. I am also looking at a solar rechargeable amber light with a strap for your ankle or wrist -- I've been looking for an amber light I could put on my left arm for turn signals, and the solar+battery combo for only $25 is gravy. Yes I am lit up like a Christmas tree, and I've spent about as much on lights as on bikes. But I am a big fan of being as visible as possible, especially since part of my commute is on a four-lane roadway where cars go up to 45 mph -- the traffic is light and the cars will get over if they see you, though!

I plan to put a tire generator and light on my new around-town errand mixte bike. (The 6 volt generator is $51, and you can get good lights for $50 and up). These are *very* bright - you light up the roadway for you to see as well as warning approaching traffic. You can also get a back generator for a bright taillight. I also really like bright helmet-mounted lights, you can quickly flash people as a "light horn" to help make sure they see you.

(Also have RoadID -- one with tag info and one with online info -- and helmet mirrors. Um, safety is pretty big with me.)