In fact, there is a kind of preview command: recover -n -S <ssid> -a <pathname>
However, you must know SSID and pathname ... it works but you will not see the
file/directory sizes.
+----------------------------------------------------------------------
|This was sent by carsten_reinfeld AT avus-cr DOT de via Backup Central.
|Forward SPAM to abuse AT backupcentral DOT com.
+----------------------------------------------------------------------
|