I burn everything, I haven't had a single movie not burn yet. dvd shrink has been reliable but as you said the newer stuff has new protection.
its pretty intensive on how to do it
but I use DVDfabdecrypter and if that doesnt work I use ripit4me
http://forum.digital-digest.com/showthread.php?t=68097
this guys sig has a ton of useful links
http://forum.digital-digest.com/member.php?u=38250
dvdfabdecrypter
http://www.dvdidle.com/free.htm
good tutorial on how to use it
http://forum.digital-digest.com/showthread.php?t=51904
hope those help, just follow the guides and you should be able to burn EVERYTHING out there.