Dell Studio Desktop with Core 2 Quad at 2.33GHz, 6GB/750GB & 20" LCD for $699.00 shipped.  Here is a screenshort for your reference.  It features an Intel Core 2 Quad processor Q8200 at 2.33GHz, 6GB RAM, 750GB hard drive, DVD burner, 16-in-1 media card reader, Gigabit Ethernet, and Windows Vista Home Premium (64-Bit).  Dell 20" S2009WFP Widescreen LCD Monitor included in this bundle features a 1600 x 900 resolution and input options for VGA and DVI.

1. Click on Shop Now for "Great Deals on Popular Desktops," as in this screenshot.
2. Select Studio Desktop with $699 starting price, as in this screenshot.