The only way to obtain Cirrus Logic GD5446 ICs would be to salvage them from PC video cards.
Can anyone give me the exactly model numbers off a Picasso IV's Cirrus Logic GD5446 IC?
Got it, and I have found some PC cards with this on them.
The Xilinx component is still available from re-sellers as well.
Some of the components are rather rare, but I don't see anything that is impossible to source.
So, who owns the rights to these cards?