I now am the proud owner of such a thing
Behold the PiTrex!
I finally found a good use for the old Raspberry Pi Zero sitting in my drawer
The Baremetal software distro put together by Malban and other Vectrex enthusiasts is getting pretty good - lots of homebrew games and demos to play with, 'speedy vectrex' makes all the original games seem much slicker, plus there are working emulators for arcade vector games!
Some are a bit clanky still , but it's great fun to play Atari games like BattleZone on the Veccy!!
Just need to try and get Star Wars working now