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I picked up a cheap new 17" LG yesterday to replace the screen on my spare PC.

When I unpacked it I found you can rotate the screen to the vertical and it's also got a DVI input. Not too bad for £60. :)
 
it looks like a standard dell monitor just rotated 90 degrees.
i've a viewsonic that also rotates.

not sure how you tell osx to rotate the output though, as this is possible in the windows/nvidia control panel.
 
Thanks guys, apparently the graphics card in my MBP (X1600) allows to rotate an external monitor into portrait view.
 
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