In the sense of physical beauty of the terminal hardware itself, it's hard to beat the Raygun Gothic stylings of the original https://en.wikipedia.org/wiki/VT0

In the sense of physical beauty of the terminal hardware itself, it's hard to beat the Raygun Gothic stylings of the original https://en.wikipedia.org/wiki/VT05 https://en.wikipedia.org/wiki/VT05 The VT05 also has a unique feature missing from subsequent terminals in the series: monochrome NTSC video input, allowing relatively straightforward use as a secondary graphical display on a modern system.