Peragus looks great. Really makes it feel like a dirty, gritty mining station, while still keeping close to the original feel. Too many vanilla areas are endless seas of grey panels.
I'm really looking forward to seeing what you can do with the Trayus Academy (assuming it's on the agenda). It's always been the blandest looking part of the game to me and I've never found any retextures that managed to make it look good.