Huh. I'm pining for 4:3 screen for a development laptop. My main use case is coding, not watching movies :)
16:10 or 16:9 have the convenience that (at fixed diagonal) they have good support for multiple columns, but this comes at a severe cost to vertical space & total surface area.
Though IIRC for some types of FPS widescreen resolutions is also good (as long as the FOV is configurable) as it gives a wider field of view.