PC is pretty much better in every conceivable way, except there’s no way to replicate the controller fluidity and as a result menu navigation feels asinine and finicky in the PC version. that alone is reason to check out the xbox version if you haven’t yet played the game. i also think the mod stuff is…
well, first, check this out: http://www.theisozone.com/tutorials/xbox/general/how-to-use-game-mods-with-morrowind-goty/
second, the bugs are cruel but i don’t mind them. i just reload saves! i played hundreds of hours on xbox and never had any significant issues a simple reloaded save wouldn’t fix
e: i would definitely concur that OpenMW is the way to play if you want to go PC, 100%