Dual Monitor Setup

[Hybrid_11]

I have a dell dimension 3000 right now hooked up to a 17 in lcd but am looking to hook up a second 17 in lcd to the computer. From my searching It seems that i wont be able to do this without purchasing and installing another graphics card. First question is if anybody knows if this is true or if there is a way to hook 2 up and if not what kind of graphics card should i look to get, just another to hook the other monitor to or a card capable of dual monitor hook up?