Sorry for the double post (something I cannot avoid, considering this thread hasn't received any new posts since my last one), but here's another case of "LEGO Fan redesigns old sets" which might be interesting to some individuals:
ArtStation user "Gunn Illustration" made a thread of 3D renders where he overhauled a bunch of "Time Cruisers" and "Time Twisters" sets, reimagining them in the slicker design-style of modern LEGO sets, while preserving the whimsical "LEGO System mash-up" look and design that both themes are distinct for:
(The full collection of renders (featuring more sets than the three shown here), can be found at https://www.artstation.com/artwork/g2BAwx)
I was initially planning to post just his Time Cruisers/Time Twisters stuff, but I decided to dig through his ArtStation account and discovered that he's done a few other theme reimaginings - specifically Studios and all 4 stages/versions of Adventurers - and even some cool custom digital MOCs:
It's genuinely awesome work, and his account is well worth a looksie: https://www.artstation.com/robtoonz44