> it doesn't seem possible to buy AOS 4.1 for Pegasos anymore. At least not in the
> Amiga online stores I looked.

It seems to be available from those stores:

Amedia
AmiStore
Gentle Eye
Relec


Edit 1:
https://twitter.com/acubesystems/status/514136120343666688

Edit 2:
https://acube-systemsbiz.serversicuro.it/shop/en/software/51-amigaos-41-for-sam-boards.html
http://amigakit.leamancomputing.com/catalog/product_info.php?products_id=862

[ Edited by Andreas_Wolf 25.10.2014 - 20:50 ]