Demon - you're right ... never even crossed my mind to go used.

The new one is supposed to be a 1999 LIM, but with the return style fuel rail - ie. the larger ports to better match my freshly extrude-honed UIM. In the end, I got the new one optimized by local guys Performance Fords and will keep.
You know it may be a moot point anyway to go larger on the LIM side as the UIM ports that match to the LIM ports were smaller in size when I put the 2 manifolds together off the car.