COUCHSURFING EXPERIENCE None, if speaking for myself. But my sister's experience, who's there for quite long time, is very positive.

For music, the list would be quite long, but: electronic, jazz, ambient, post-rock, film music, experimental music. I like to exchange the good music with others and to extend my musical taste to the sounds I don't know yet, so if you are also a music lover we would have may things to talk about. For books, mostly SF. I appreciate books based on visionary/mind-twisting ideas. I also used to write SF (not so visionary :), and now I am going to start it again. I hope that the travels and people I'll meet will give some inspiration ). For films, I do not watch them often, but I am open for everything new.