As a UI/UX agency that focusses on B2B SaaS, I’ve always found Fantasy UIs fascinating. It’s the complete opposite of the simple & clean interfaces clients ask us to design. I’ve spent some time thinking about why these Fantasy UIs are so fascinating despite the fact they seem not very user friendly. My conclusion was that fantasy Interfaces are very much like the early web. Lots of moving parts (dancing banana gifs)…
In the realm of VST/AU plugins (virtual music instruments and effects), the art of interface building is alive and kicking, and the different interfaces add (a) to the excitement, (b) to be able to differentiate quickly among dozens (or 100s) of different plugins you use, (c) helps test/create novel interaction ideas...
Here are example VST UIs: