Tonight I rode with the following configuration:
Ultrafire HD2010 and Trustfire Z2 on the helmet
Xeno e03 with 14550 lithium ion battery on a Fenix AF02 for the handle bar
Magicshine MJ-818 brake light
The HD2010 was usually off except at higher speeds >30 mph, and the other two forward facing lights were on their low or medium modes. This combination worked well. I think my top speed was little over 40 mph, and I didn't come close to out riding my HD2010. The Z2 was completely washed out when the HD2010 was on.
I would have liked more light immediately in front of the bike though to help identify debris. I think the tint of my lights would have benefited from a warmer tint. The Sky Ray S6 should help immensely with that. If the Dongrui DR-18 is floody, then it'll go on the handle bar too, and I'll keep the HD2010 on my helmet.
I can't say much about the tail light other than it worked and I didn't get run over.
Oh, and g damn, but butt hurts. Only a 9.4 mile ride, but I'm nearly twice my high school weight. I don't remember any pain when I was a feathery 126 lbs.