There's now a driver for KSM (text-only video board from DVK desktops, emulates a VT52 with a few extensions), it should work with any pdp-11 emulator over network. Driver name is "dvk_ksm".

Here's a version of Tetris (not original one) running in SIMH, with display in MESS:
[Linked Image from]

Emulating actual DVK series would require changes to T11 core -- their microprocessors (1801VM1, 1801VM2 and 1801VM3) are ISA-compatible but have subtle differences.