They're not, but all-digital 17" 4:3 displays with input lag and a need for external A/D converters to hook up retro systems are still being made. The authors

They're not, but all-digital 17" 4:3 displays with input lag and a need for external A/D converters to hook up retro systems are still being made. The authors of this ask for a pretty hefty premium to hide all the off-the-shelf components in a custom-made case. (And CRTs are still around aplenty on ebay and the likes.)