Another use case when I like to have 4:3 aspect ratio is when I switch
to MS Windows. For one thing XP as installed on my box does not allow
me to use wide screen at all. It only offer 000x600 and 1024x768
resolution (I guess this could be fixed if I reinstall XP). And I do
not care really for this as the only reason I am keeping XP around is
to play some games. And all the games when played in fullscreen are
4:3. At least those I do play. Since my box is so limited I do not
have almost any game released after year 1998 (or 2000).
So after reading replays my conclusion is that none of LCD wide
monitors do not offer possibility to change aspect ratio by software.
Same that designers of monitor and protocol that its use to
communicate with computer did not thing about this feature.
I hope that I am wrong.