In article <43unt7$p9v@ionews.io.org>, sdong@io.org says...
>Question: I have a Nikon FA and currently just a Series E 50mm f1.8
>I am trying to expand my lense collection, and have noticed that Nikkor AF
>lenses are less expensive than AIS lenses. I see it as the following:
>AF lenses: - less expensive (if used)
> - will be compatible with any AF body i buy in the future
> - optically the same as AIS lenses
> - have a different feel to the focusing ring (but not bad)
> - have more circuitry inside to malfunction
>AIS lenses: - more expensive (even used)
> - not compatible with AF bodies
> - optically nice
> - Better focussing feel
>So i'm considering buying AF lenses....

Not a bad idea. AF lenses are fully compatible with the FA body features.
MF lenses work fine on AF bodies, though (with the loss of AF, Matrix Metering, shuttor priority and program exposure modes - small loss, IM[NS]HO).
Hope this helps.