I'm half tempted to get the reflector-light as well...it's nowhere near as bright as my cat-eye 5-led though....which is bright enough to leave things around it in a red glow...it's just super-bright.
I do run without a rear reflector though, since i run with a rear light...I doubt I will ever get ticketed for it though. I also need to find good reflective sidewall tires for my commuter...right now I'm running some generic stuff