> 
> Why is it that the IIfx is not on the "working models" list?
> 
> What makes it so different from the IIcx or IIvx, or has just no one gotten
> their hands on an fx to try it out?

No, the problem is that Apple has never documented all the IOP's (I/O
Processors) which they added for speed. MacOS never used them. Only
A/UX was able to get at them (with spectacular results, I hear).

Not much more will happen until we get documentation on them.

Take care,

Bill