Re: So, if i may ask..
"How about DRM cd's dvd etc."
I think this only covers music and CD's....
As far as DVD goes, there's a different "set" of media companies' interests at stake, namely Hollywood and the film studios.
Most (music) albums might only cost a small number (or even fractions) of millions to create, market and produce - so their "losses" to "home taping" are relatively minor. However, studios can spend hundreds of millions of dollars/pounds etc to do a similar job, so "copying" said movies causes a lot more consternation and as such, it's less likely that they will be appeased by said ruling(s).
The technology does exist for individuals to "copy" DVD's and convert said files into MKV (or similar) files that can be watched on various devices (and without needing the original media)....so, at some point some scheme needs to be thought of, to ensure that film companies can be reimbursed with some form of compensation.....but don't hold your breath !!