Was out on a school trip with my daughter's teacher, and we got a chance to talk a bit. He's a pretty serious cyclist, but he hasn't done any commuting and he's wanting to venture in.
He's looking for a single light unit that can project a good solid light beam so he can really see the road, plus having a flashing "I'm here" light.
I told him about my setup: Planet Bike Blaze 2W (flashing "I'm here"), Light and Motion Urban 800 FC (high)
Because he's a teacher, I'm sure he's going to be looking at cost and wanting to keep it economical. I'm thinking two separate light units will be cheaper.