My current touring set up is a Union bottom bracket mount with a B&M Cyo head light and a converted to LED taillight. The bike is from the late 1980's. My other "touring" bike currently does not have a generator set up on it, I use battery lights for the time being. Eventually I will probably put an Shimano or Sanyo hub generator with the lower end B&M LED headlight. Then rig up some sort of power charger to charge up a battery pack to power up phone/gps/mp3/tablet/etc.
I don't use my lights much on tour and probably could get away with battery lights most of the time.
Aaron