Connecting TWO (2) external displays to the MacBook

Hello!
I currently have a 21.5" LG monitor attached externally to my 13" MacBook. It works great.
I've been thinking of adding another monitor to accompany it, but A) I'm not sure if the MacBook can even handle it, and B) I'm not sure what kind of dongle will work.
Anyone done this before and can offer some helping advice?
THANK!

As far as I know, you will need an external device to split the video signal. I have heard of these devices but I don't how well they work. http://www.amazon.com/Matrox-D2G-A2D-IF-DualHead2Go-Digital-Edition/dp/B000QRTHX 8/ref=sr11?ie=UTF8&s=electronics&qid=1268373132&sr=8-1

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    0xffffff81f8fe38b0 : 0xffffff800acf3456
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    0xffffff81f8fe3d40 : 0xffffff800acb66a8
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    0xffffff81f8fe3e80 : 0xffffff800ac139f5
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    Darwin Kernel Version 13.2.0: Thu Apr 17 23:03:13 PDT 2014; root:xnu-2422.100.13~1/RELEASE_X86_64
    Kernel UUID: ADD73AE6-88B0-32FB-A8BB-4F7C8BE4092E
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