http://www.engadget.com/2006/12/27/aacs-drm-cracked-by-backuphddvd-tool/
That took even less time than I expected :D
Its not been broken, someone still has to provide the AACS key. This is just an implementation of the decryption routine with a database from which the key is loaded. If the key is not available you cannot rip the disk.