Originally Posted by
noglider
Another idea is to spread your frame to accept a modern rear wheel. Sheldon has an article on how. Your frame is soft and therefore easy to do this with. But doing this puts your old wheel out of commission. Not a great loss, since the wheel is nothing special.
Would that second generation Honor RD be able to shift 6 gears back there? If the OP goes that way, he might want to think about replacing it with a V-GT (those are easy to find)... this way he will probably save about half a pound (those steel Honor RDs weigh about a pound a piece)