I've got two complete spare sets of 28 spline front shafts, inners and outers with joints. I carried them ALL for spares, but have never run any of them. They all look to be in great shape. At most, I would say put new joints in them, since I have no idea on the age of the joints.
$30 a set (That's Long, Short, and two outers) + Shipping
$30 a set (That's Long, Short, and two outers) + Shipping