If I didn't have a PS4 already, I'd buy one for FF12 HD. The same with how I bought a 3DS for Ocarina of Time 3D. I'd buy a console for a remake if I really love the game and it has been given a really good facelift and/or new content.
Also, FF12 HD won't have the Japanese dub. Don't fool yourself, brah. Even FF10 HD never had the Japanese dub, so why would they include it with FF12 HD when the English dub is already seen as the best dub to ever appear in a JRPG? I want Matsuno to finish the script, but that will 90% not happen. That's more wishful thinking on my part. However, with Jun Akiyama leaving FF15, there's hope for new cutscenes by him at least. The rest of points on my list are completely plausible, all internal and external factors considered.