First and check for an entry for the NTFS partition. Mine readsAn excellent reference for understanding and editing fstab can be found here.

Second ThirdFourth Finally, go System>Preferences>Sessions>Startup Programs and make sure Volume Manager is present with a check in the box.

I'm glad you have it working.

I believe pmount is only necessary for mounting USB mass storage devices from the command line. It isn't required if you use Gnome or KDE.

Slightly different experience over here. Starting from a fresh Squeeze install *teehee* and then building the desktop from scratch I found that installing only gnome-volume-manager & pmount didn't do the trick. Only when I added usbmount to them did a usb storage device auto-mount to the desktop.
I doubt gnome-volume-manager & usbmount are enough on their own, a 'apt-cache show usbmount' gives,

"...If the device provides a model name, a symbolic link
/var/run/usbmount/MODELNAME pointing to the mountpoint is automatically
created."
&
"USBmount is intended as a lightweight solution which is independent of
a desktop environment. Users which would like an icon to appear when an
USB device is plugged in should use the pmount and hal packages
instead."

So I'm inclined to believe the advertising and sure enough I get /var/run/usbmount/WD_10EAVS_External_1 pointing to /media/usb0.
I could do some playing around removing/installing packages in different combos, but right now I'm off to work out how to get the auto-mount to happen in read-write mode instead of the read-only/root access it is currently operating in.

Since you're using the bleeding edge, why not install dbus and hal and end your suffering?