I read on the macrovision website that rip guard will stop most but not all rippers, some rippers can already get by it(fab decypter). they did say it was upgradeable thought.
dvd decrypter won't be updated guys as UK Lighting was shut down by macrovision . i emailed slysoft about rip guard to asked them if they have been working on it . i will let everyone know when they email me back.
I hope Slysoft are working on it but even with DD gone i really can't see someone not making a application to get around it.
this was reported in the news section several months ago... http://www.afterdawn.com/news/archive/6100.cfm