I run mine with one (cheap) video card that has both a DVI and a VGA connector. This requires one of your monitors to support DVI, but if not, you can get one of these adapters: http://www.newegg.com/Product/Produc...ECH-_-82203020

Maybe a stupid question, but did you check to make sure the cards you currently have don't have both connectors (VGA and DVI)? If so, you should be in business for either $0 (if one of your monitors supports DVI) or $7 (if you need to buy an adapter)...