Feisty daily LiveCD snapshot doesn't configure 1280x800 display correctly

[Miles Lane]

Can we please add support to Feisty so that the LiveCD automatically
loads Xorg in 1280x800 when it is called for?

(II) I810(0): Display Info: CRT: attached: FALSE, present: TRUE, size: (720,400)
(II) I810(0): Display Info: TV: attached: FALSE, present: TRUE, size: (1024,768)
(II) I810(0): Display Info: DFP (digital flat panel): attached: FALSE,
present: FALSE, size: (0,2059)
(II) I810(0): Display Info: LFP (local flat panel): attached: TRUE,
present: TRUE, size: (1280,800)
(II) I810(0): Display Info: Second (second CRT): attached: FALSE,
present: FALSE, size: (0,2059)
(II) I810(0): Display Info: TV2 (second TV): attached: FALSE, present:
FALSE, size: (0,2059)
(II) I810(0): Size of device LFP (local flat panel) is 1280 x 800
(II) I810(0): No active displays on Pipe A.
(II) I810(0): Currently active displays on Pipe B:
(II) I810(0):   LFP (local flat panel)
(II) I810(0): Lowest common panel size for pipe B is 1280 x 800
(==) I810(0): Display is using Pipe B
(--) I810(0): Maximum frambuffer space: 65368 kByte
(II) I810(0): VESA VBE PanelID read successfully
(II) I810(0): PanelID returned panel resolution : 1280x800
(II) Loading sub module "ddc"
(II) LoadModule: "ddc"
(II) Reloading /usr/lib/xorg/modules/libddc.so
(II) I810(0): VESA VBE DDC supported
(II) I810(0): VESA VBE DDC Level 2
(II) I810(0): VESA VBE DDC transfer in appr. 1 sec.
(II) I810(0): VESA VBE DDC read successfully
(II) I810(0): Manufacturer: SEC  Model: 3845  Serial#: 0
(II) I810(0): Year: 2006  Week: 0
(II) I810(0): EDID Version: 1.3
(II) I810(0): Digital Display Input
(II) I810(0): Max H-Image Size [cm]: horiz.: 33  vert.: 21
(II) I810(0): Gamma: 2.20
(II) I810(0): No DPMS capabilities specified; RGB/Color Display
(II) I810(0): First detailed timing is preferred mode
(II) I810(0): redX: 0.580 redY: 0.340   greenX: 0.310 greenY: 0.550
(II) I810(0): blueX: 0.155 blueY: 0.155   whiteX: 0.313 whiteY: 0.329
(II) I810(0): Manufacturer's mask: 0
(II) I810(0): Supported additional Video Mode:
(II) I810(0): clock: 68.9 MHz   Image Size:  331 x 207 mm
(II) I810(0): h_active: 1280  h_sync: 1296  h_sync_end 1344
h_blank_end 1408 h_border: 0
(II) I810(0): v_active: 800  v_sync: 801  v_sync_end 804 v_blanking:
816 v_border: 0
(II) I810(0):  SAMSUNG
(II) I810(0):  LTN154XA-L01

(--) I810(0): Virtual size is 1024x768 (pitch 1024)
(**) I810(0):  Built-in mode "1024x768"
(**) I810(0):  Built-in mode "800x600"
(**) I810(0):  Built-in mode "640x480"
(--) I810(0): Display dimensions: (330, 210) mm
(--) I810(0): DPI set to (78, 92)