Drive two HD displays in portrait mode using nVida graphics on Ubuntu Precise

xorg.conf

# I couldn't get the GUI tools to do the right thing so I edited the generated file by hand.
# the key magic is the Option Rotate right along with the placement

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 295.40  ([email protected])  Thu Apr  5 22:33:07 PDT 2012

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
    Option         "Xinerama" "0"
EndSection

Section "Files"
EndSection

Section "InputDevice"

    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"

    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "SHARP HDMI"
    HorizSync       15.0 - 75.0
    VertRefresh     23.0 - 76.0
    Option         "DPMS"
    Option         "Rotate" "right"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce 9300 GE"
EndSection

Section "Screen"

    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "TwinView" "1"
    Option         "metamodes" "DFP-0: 1920x1080 +0+0, DFP-1: 1920x1080 +0+1080"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection