HP W2207h 22" LCD Landscape / Portrait Pivot Monitor for $179.00 shipped.  It has a 1680 x 1050 resolution and inputs for VGA and HDMI.  Note that since the monitor has a HDMI input instead of DVI, a cable like this will work well with DVI signals.  In addition, this monitor is height adjustable and capable of switching between landscape and portrait modes.  It also has a built-in 2-port USB hub.  Most places have this HP monitor for over $240.