Now that I've read the entire Twilight saga, I can honestly say that I don't get the hype. I know this isn't going to make me popular with the in crowd, but I gotta keep it real.
My feelings after each book were pretty much the same: ho hum. I didn't hate the books, but I never felt rushed to finish them or read the next one. And now that I'm done with the series I'm not craving more or hoping for a spin-off.
I don't have strong anti-Twilight feelings, but I do have a problem with Stephenie Meyer changing some long-standing vampire 'rules' so to speak. And I think at times in each of the books, she wrote just to write; it felt a little redundant. I also have to say, for the record, that no vampire love story will ever top that of Buffy and Angel.
So, if you haven't read them, but are craving a good vampire story, try the Sookie Stackhouse series by Charlaine Harris instead. I think you'll be pleased.