$10 For Informative Reply, Monitor Help

[*iconoclastic*]

Hey, I'm looking to upgrade my current monitor configuration and add a 3rd LCD. I'm offering $10 on Stars to anyone who can give me a good reply to the following.

I currently have 2 20" Dell monitors with a Geforce 6600 128 MB video card (max resolution 2046 x 1536) with one monitor connected via DVI, the other VGA. I just bought the 30" Dell monitor and wish to have a 3 monitor setup (as seen on some pics going around).

What would be the most cost efficient way to go about doing this? I'm looking for all 3 monitors to 'span' one desktop if possible. Any recommended video cards? Can I just install a second video card and plug my new monitor into that or should I simply buy one video card that can support 3 monitors?

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