@TheDaddy
I notice Hyperion have recently had some officially licensed Boing Ball stickers made to help promote OS4, maybe they can be persuaded to make some more variations , e.g: "Powered by AmigaOS" which could be sold separately and used legally alongside your own X500 branding.
In my opinion the AmigaOS trademarks with Boing ball are as recognizable and even more relevant to the Next-gen "Amiga" scene in 2012 than Amiga branding alone.