Well it looks like GUI scripting is the only way to go. For those that have stumbled across this during a search here is my final script which covers how to change or adjust all the aspects of a Finder window's List View Options. If you need help with this just reply to this message. (Note: Watch for line wrapping if you copy and paste.) - John
tell application "Finder"
activate
tell the front Finder window
set the current view to list view
set the toolbar visible to false
end tell
tell list view options of front Finder window
set properties to {sort column:name column, sort direction:normal, icon size:small icon, text size:12, uses relative dates:false, calculates folder sizes:true, shows icon preview:false}
set width of column name column to 250
end tell
tell application "System Events" to tell process "Finder"
tell menu item "Show View Options" of menu of menu bar item "View" of menu bar 1 to if exists then click
tell checkbox "Always open in icon view" of window 1 to if (exists) and value is 1 then click
tell checkbox "Always open in list view" of window 1 to if (exists) and value is 0 then click
tell checkbox "Date Modified" of group 1 of window 1 to if value is 1 then click
tell checkbox "Date Created" of group 1 of window 1 to if value is 1 then click
tell checkbox "Size" of group 1 of window 1 to if value is 0 then click
tell checkbox "Kind" of group 1 of window 1 to if value is 1 then click
tell checkbox "Version" of group 1 of window 1 to if value is 1 then click
tell checkbox "Comments" of group 1 of window 1 to if value is 1 then click
tell checkbox "Label" of group 1 of window 1 to if value is 1 then click
clickbutton 0 of window 1
clickmenu item "Zoom" of menu of menu bar item "Window" of menu bar 1
end tell
end tell