I have about 50 DVD-A discs.
Not sure there is a market for these.
If of interest (UK) I can list them all, some rarer items in the list.

Plus a G98 that has had its drive replaced.

861v6 ID41, HD621, G98, MC200, DSP7200, DSP7200HC, DSP5500 (rears), D2500; Oppo BDP83, PS3,
- Other rooms 3100, F80