As far as the sex, violence and language go, I feel they are totally in line with HBO's standard, and in line with the book. People who complain about there being too much and compare Game Of Thrones to Rome, may I remind you of all the graphic sex scenes and nudity in Game Of Thrones? At least in Game Of Thrones we have not had full frontal nudity shots, like the one received from Octavia.
I think Game Of Thrones has real potential and promise. People who aren't familiar with the world of Westeros might have a hard time accepting some of the things in the books, like the Doth'raki wedding scene, but there scenes in Lord of the Rings that can be hard to accept the first time round too All in all, I am happy with the show, I believe it has stuck to the book much better than most book-to-TV adaptations, and wait on pins and needles for the next episode.