Using a TV as a third monitor

Im hoping this is an easy question. Here is what I would like to do:

I have a Dell running Vista Ultimate with a dual DVI video card that I am using to stretch my display my across two monitors. I would like to some how add my TV as a 3rd separate monitor. The end goal is to be able to use my 42" plasma as a monitor so I can sit on the coach and use my computer with a wireless keyboard and mouse. The part I am struggling with is how can (or is it possible) toggle between the dual monitors in my office and my TV in my living room...?

Thanks in advance for any suggestions!
mclarenceAsked:
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NoLimit99RBSConnect With a Mentor Commented:
Hmm, I think the best way would be to add a 2nd video card.
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NoLimit99RBSCommented:
Your TV has HDMI right?
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CallandorCommented:
Add another video card, as the poster above recommended, and add a converter, if the TV is a high-def set: http://sewelldirect.com/VGA-to-HDTV-Converter.asp (unless the card has an HDMI output or you use a DVI-to-HDMI adapter).
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NoLimit99RBSCommented:
Sorry, I meant DVI. If your TV has DVI, you can get a video card with DVI on it and hook it directly into that. Otherwise use a converter similar to above.
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mclarenceAuthor Commented:
My TV has HDMI. As for a third Video card, it will act independently of the settings on the current video card. Currently its setup to have the display stretched across 2, 20 LCDs, that wont impact the output of the new video card? It s really that simple& just add extra card and it works !
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CallandorConnect With a Mentor Commented:
You can have up to 10 screens with Win2K and WinXP.  I have seen traders with eight independent screens, driven by four video cards.
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mclarenceAuthor Commented:
Thanks !
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