While learning 8x10 is going to take time continuing more with 4x5
will be useful in the mean time.
And, since I like to work slightly on the wide side,
a 240mm on the 8x10 would be a good thing.

So ...

I'll sell my Nikkor-M 300/9 (a nice compact lens in a good shutter)
for $500
or
trade it for a nice Fujinon-A 240/9 EBC even up

(The Nikkor is in great shape. Clean glass and a modern shutter that
was recently serviced by the camera shop before I bought it.)

And ...

I've still got the Rodenstock APO-Ronar 600/9 for sale.
Contact me & I'll give you a bargain on it just to get rid of it.

Along with ...

For 4x5 a nice little wood unit or another Busch D would be practical.

(With these last 2 items a trade might work??)

Collin