CWTL,
You can connect and (simultaneously) use up to three monitors using the on-board graphics capability. If you have monitors that only support DVI, you can purchase a HDMI-to-DVI or DisplayPort-to-DVI adaptor (and use your existing DVI-to-DVI cable) or you can purchase a HDMI-to-DVI or DisplayPort-to-DVI cable. These are relatively inexpensive...
...Scott