The Sydney Morning Herald features an interview with Hayden Christensen, who is in Australia to promote 'Revenge of the Sith'. Here's a clip of the article.

The early phases of a long promotional effort before the movie reaches theatres in May had the 23-year-old actor launching a cinema trailer, meeting fans and leaving his handprints in a new Star Walk at Fox Studios last night.

So what was it like donning the famous helmet for the first time?

"It was just one of those ecstatic moments," he said before the trailer screening. "Just the sensation of having it on was very empowering and just really cool."

But on exactly what makes the young Anakin turn into Darth Vader, Christensen was guarded: "I can't give away too much. But Anakin is a very conflicted character, a very complex character, and I think struggles with the frustrations of life and those anxieties get the better of him in this film.

"He makes a pact with the devil, in a way."

Click on the link above to read more. Thanks to loopster for the alert.