Our media servers are W7 (!) but I access them with VNC. And lots of screens/beamers here are on PI computers.
…then of course we need a windows laptop for the wireless mics, for the FoH configuration, the videowall, stuff like that. Mails and docs are google anyway, remote access is teamviewer.
I can’t run it all on linux, even if I sit at a linux computer the most.