Just like the 3D television & disc market, middle ground high-end hardware is going the way of the dinosaur. It's a rapidly shrinking market and more & more people are simply streaming. If they want physical disc playback - they can go to Best Buy or Walmart and get their needs met at a fraction of the cost.
Oppo is and will continue to be a mobile phone company after this summer - excelling in China. They simply could not scale their high quality AV product R&D with the lack of material demand. Hell, they couldn't even get HDR10 turned on in a reasonable period of time now that 4K sets are ubiquitous. That was the first serious sign of trouble. If they can't license and/or develop that bit of tech - they aren't solvent.
Sad news to be sure. Oppo customer support has really been second-to-none. Case in point: The remote for our 103D was lost in the move. I was able to order a replacement from Oppo for a mere 12 bux.
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My 103D is a work horse, transforming old DVD's into near perfection and masterfully playing back Blurays. I held off buying a dedicated 4K player and am glad I did now - because I would have purchased a 203.
For the infrequent times I would want to watch a 4K disc - Xbox One X is standing ready. Personally I find the whole 4K thing a bunch of hot air for the common man. It only really makes sense for screen sizes in excess of 65" or perhaps smoother, more realistic rendering in console gaming.