As to the minimalism- what is more minimalist to you, op: the visual sleekness of no wires on the bike and just a couple of little strap on lights that have to be turned off, removed (people are dirty thiefs) and either charged (more than once a week) or you keep spare batteries on you; lifestyle minimalism of having a dynamo with wires linking to your lights so that you can just hop on and go and never worry about charging or changing batteries or dirty fingers from handling grimey lights.

For seeing, I like the planet bike Blaze. For being seen, serfas makes some nice 3x1" blinkies.