This is to report my config for Hardy Heron on the toshiba Portege M500 Laptop, for all those who use the same. I have been struggling specially with the screen resolution but finally got it right.

Here is my xorg.conf:

Code:
# xorg.conf (X.Org X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the xorg.conf manual page.
# (Type "man xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following command:
#   sudo dpkg-reconfigure -phigh xserver-xorg

Section "InputDevice"
	Identifier	"Generic Keyboard"
	Driver		"kbd"
	Option		"XkbRules"	"xorg"
	Option		"XkbModel"	"pc105"
	Option		"XkbLayout"	"us"
EndSection

Section "InputDevice"
	Identifier	"Configured Mouse"
	Driver		"mouse"
	Option		"CorePointer"
EndSection

Section "InputDevice"
	Identifier	"Synaptics Touchpad"
	Driver		"synaptics"
	Option		"SendCoreEvents"	"true"
	Option		"Device"		"/dev/psaux"
	Option		"Protocol"		"auto-dev"
	Option		"HorizEdgeScroll"	"0"
EndSection

Section "Device"
	Identifier	"Intel Corporation Mobile 945GM/GMS/940GML Express Integrated Graphics Controller"
	Driver		"i810"
	BusID		"PCI:0:2:0"
        Option 		"ShadowFB" "true"
EndSection

Section "Monitor"
	Identifier	"Configured Monitor"
	Vendorname	"Plug 'n' Play"
	Modelname	"Plug 'n' Play"
	DisplaySize	216 163
	HorizSync	47.0-51.0
	VertRefresh	59.0-61.0
	Option		"DPMS"
  	Modeline 	"1280x800" 68.94 1280 1296 1344 1408 800 801 804 816 -hsync -vsync
	Gamma	1.0
EndSection

Section "Screen"
	Identifier	"Default Screen"
	Monitor		"Configured Monitor"
	Device		"Intel Corporation Mobile 945GM/GMS/940GML Express Integrated Graphics Controller"
EndSection

Section "ServerLayout"
	Identifier	"Default Layout"
	Screen		"Default Screen"
	InputDevice	"Synaptics Touchpad"
EndSection
I took the settings from some of the posts here. 915resolution is installed, but I dont even know if its necessary now.