I've recently bought a cherry G81-3000, and there are a few interesting things about it.
First of all, it has the newer case without the LED cover, but it doesn't have windows keys, which would contradict what is written on the deskthority wiki about the lock lights being changed with the addition of the windows keys. And before buying it I tried to find a similiar G81, but wasn't able to find any.
Also, the code LADUS, I found out means laser printed keycaps, DIN plug, US layout, but the D isn't explained on the wiki. And I don't know what it stands for either.
For anyone wondering, why did I buy a G81(with lasered keycaps). It came with a Model M (and also a KB-6251 with Aristotle switches), and the price was 250PLN (about 55 EUR), so it was a pretty good deal.
Here are some photos:
