As far as the screens go yes, F & F2 are interchangeable and there are quite a few to choose from.
Usually you'll se an "A" in there which is a split image rangefinder type.

Click on that link that Yash so kindly referenced. Dig deep and read up on that mir site then there is also the
http://www.destoutz.ch/nikon-f.html
site which has some beautiful reference shots of the F's and accessories.

One of the many pluses of the F is that the viewfinder (Photomic or plain prism) is free of clutter and any electronic data to beep and flash like a pinball machine. You might want to try a plain screen if a focussing aid is not necessary.

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