Windows (ME or 2000 onwards IIRC) has dual monitor support built-in, you don't need any particular card. You do need a card with DVI + VGA or 2 DVI or 2 VGA ports, or two video cards installed, so as to be able to connect both monitors.
See
http://reviews.cnet.com/4520-10163_7-5620889-1.html?tag=cnetfd.ld