You can add the 'Open New Folder' option, when browsing from folder to folder, to the right-click menu by going to the Regsitry and looking for this string:

HKEY_CLASSES_ROOT\Directory\Default Icon\Shell\Shellex

Right-click on the 'Shell' string and select 'New->String Key' and name it 'opennew'. Right-click on the new string and change the value to read 'Open New & Window'. Right click on the 'opennew' string and select 'New->String Key' and name it 'Command'. Right-click on it and change the value to read %1.