" hey - for a 2600 I believe. Also, I have now located a large box of heaps of Commodore and Atari power adapters - big chunky things. I don't generally sell electrical adapters due to legal risks but do you think I should list them? Otherwise bin...

Why not if you sell " AS IS " surely that mean Buyer beware it should cover you, and you often see PSU for sale on Trade Me
So why no just go for it.
Cheers
Welsh Wizard