Pictured below is the importing view in the preference pane

The slider at the top represents the default requantization factor. This will determine the default requant value for all titles on any mounted DVD

the ipod / psp matrix will accomodate settings in the shared ipod / psp conversion section to the device selected here.

iPhone address: this setting is the local IP address for your iPhone to copy over video ringtones.

iPhone password: this is the password for the root account on your iPhone, it defaults to alpine.