Not to start a huge argument but I decided to look at some gameplay for this game and I can't see why this game is being said to be so amazing. It looks like it could get boring after awhile and not to many things that are special.
whats the improvements of content that make it worthwhile as compared to diablo 2?(besides graphics)
It's a hack n' slash dungeon crawler, it appeals to the fans of the genre generally. If you think it's boring, I wouldn't recommend it as it would probably get old for you.