It's nice but i believe that even that image has been slightly redesigned. No rotating/fashing nacelle caps, windows on the hull (I never saw windows in tos). I think the rear portions of the nacelles were also redone, so actually, I think you're trying to prove no redesign is needed ... by redesigning. Thus your point is negated.
Gabe Koerner's version was a redesign. Vektor's added some texture and minor details. I wouldn't consider his a redesign in the same vein that we're discussing Batmobile changes.
And in TOS, the Enterprise had windows (link