I used to prefer 4:3 hands down myself too, but not any more. Widescreen works better for human vision, because it's naturally easier and more comfortable for us to look side to side than up and down.
I've currently got a 26" 1920x1200 monitor and it's beautiful. However, I'm about to replace it with the Asus VG278HE
1080p monitor when it arrives, because of its headline feature of 144Hz and 3D Vision compatibility.
I wanted to see if I could stand the feeling of crampedness by having less height, so I set my current monitor to 1080 to test it. After the initial feeling of being slightly squashed went away, I actually found it a little bit easier to use, since the height was less and there wasn't so much vertical motion. I was quite surprised by this, but I might just end up preferring 16:9 monitors because of this alone. I'll have to wait and see.
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