In Today's LA Times they have a great conversation with Rob, Kellan, & Nikki.
"It's a strange thing to realize that you're at the heart of a full-blown pop culture phenomenon, but on an unseasonable October afternoon, with the temperature hovering near the 100-degree mark, the pressure didn't seem to be adversely affecting any of the actors. Gathered around a conference table in a Los Angeles office building, Pattinson and costars Kellan Lutz and Nikki Reed, who portray two other members of the Cullen clan, were playing it remarkably cool."
There's so much more about Rob's self-deprecating personality, what they did during filming breaks, prospects of a Cullen family reunion & so on.
Go here to read every wonderful word.