I think any repaint/retool from the early 80s is acceptable because those repaints and retools were given memorable and now familiar identities.

So others like Trailbreaker/Hoist, Windcharger/Tailgate, Brawn/Outback are okay in my book too. Even a modern repaint idea like Bumblebee into Wasp is something I'd be ok with seeing more of (because Waspinator is a memorable character, and having an evil Bumblebee called Wasp makes such great sense).