Novation Nova with Custom Green Side Panels - Better than Supernovas?

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via this auction

No the external power supply is custom.

"This is novation's best analog modeling since they ever made. I have owned the Supernova and the Supernova II and I personally think this sounds better for some reason don't ask me why I have thought that for 15 years. Must be the DA converters. Me and my friend bought one on the same day I got the Supernova 2 and he got the Nova desktop synth (over 15 years ago from guitar center). We were roommates so I got to hear his all the time at the same time I was making songs of mine and I always thought the Nova sounded better."

Never heard this before now. Anyone else confirm this? I was actually gifted a Nova in the early days of running the site by a generous reader (I will never forget that - it was the first and only time in running the site for over 10 years now), but I never compared it to the Supernovas.