For an improved Death-Screen, how 'bout a Mod that spawns a few of the dingys, normally seen in one of the 'Insert Special Agent' missons, around your Sub when it's fatally wounded? The game automatically switches to the Freecam as it spirals outwards from your floundering Sub and you'd see the crew effectively abandoning ship. It could look a bit like this

:
This reminds me, I haven't seen any lifeboats in SH5 yet