Looking for overview regarding protected CDs

I am looking for some overview of current CD (DVD) writers regarding protected CDs, especially how they handle cactus data shield and key2audio. Can you help me ? Thanks.

http://www.brennmeister.com/forum/viewtopic.php?topic=21949&forum=12&28

Here you will find a list of writers regarding audio copy protections. I bought wednesday a yamaha CRW-f1 and I think it is the best. But take a look by yourself