Hi Kraemouse,I remember that super nice bike you picked up.
My daughters 52' Sport we used Tektro long reach 800s brake calipers and the Sun CR 18 Aluminum rims for improved braking.
We ordered everything thru our local bike shop at the same price as online saving the cost of shipping.
http://www.modernbike.com/itemgroup.asp?IGPK=2126175524