you need multiple video cards and multiple monitors, and win2k will take care of it automagically. dual-head cards are not necessary. (just stick another one in a free PCI slot...) then you goto video/monitor properties and just enable your other monitors. thats it...
Dell's running a special on 20" LCD. http://accessories.us.dell.com/sna/productdetail.aspx?c=us&l=en&cs=04&sku=320-4105
that sux. the gateway rep told me i needed a dual head video card, which ran like 230. oh well. i didn't have many free PCI slots anyway. i will say that i'm thrilled with these samsungs 191t's.