I've finally got this.
It starts off really well, with a few moments of true quality here and there. I don't know any of the titles or bands, but I like the one with the spoken bit about the guy losing his hand - its wonderful, as are about 6 more.
I think though, that they should have left it at about 15. It seems like the last 10 or so are really crap. There are about 3 in total that are dreadful.
Are the other ones worth getting? I heard there were some '80s psychedelia' ones or something, and I felt sick.