Take the plastic sills off to see if there is any rust which needs attention
+100
Really look hard around the jacking points and sills, under the door rubbers and fix any roof rust above the screen asap.
Floor pan rust around the bungs is irritating but not the end of the world.
looks solid from the pics, I think I would go for all colour coded or all black plastic, the mix of red and black kind of makes it look like a CL