I don't like vampires. So.
Yeah, Paolini was essentially a really bad copycat - I noticed that his "greatest influences" were Eddings and Tolkien without having read the article about it.
Anyway, on my general views about this, the basics would be too boring - a twist has to be added, or the basics thrust into a new setting, like vampires in a contemporary setting, but that's overdone now, I guess.
Original creations are of course, awesome, but they don't have the advantage of reader previous knowledge, so you really have to do them well.
That's why I like Terry Pratchett.