> This is also why pleas for the 1.43 aspect ratio on home video are slightly misguided. It's not the shape of the 1.43 IMAX image that's so compelling. It's the angular image size! And you probably are not going to view an IMAX film at home with the intended image size.

Yes, exactly. If you really care about the theatrical experience, you'll be using a projector at home... and it's really up to your particular space whether you'd be able to fit in a bigger screen at a 1.43 or a 16:9 aspect ratio.

For some rough math, I rule-of-thumb 5 feet vertically as a reasonable max size for a home projector - it gives you a couple feet at the bottom for coffee tables, consoles etc. and doesn't reach too high, so you don't need to be looking too far upwards or to invest in stadium seating. 60 inches vertically gives you a 105 inch 1.43:1 screen, or a wider 122 inch 16:9 screen. Assuming you don't have other constraints (brightness, horizontal space, etc.) you may as well get the wider/bigger screen.