Why is it no one ever suggest LCD Displays here...everyone always goes with multi-monitors?

The way I see it,

4 X 20 inch monitors = $600
2 x Decent vid card = $300
Monitor stand = $200

So your talking around $1000-1300 for a 4 monitor setup...

Right now I could buy a 40 inch display for about $1500, and not have to worry about the monitor frames in the middle of my view, especially if I span my view across all screens.

Is there something I'm missing here?