Sierra took me to see Twilight and I was one of 4 or 5 other guys in the movie theater. That said, it was OK but it was clearly geared towards awkward, boy-crazy, adolescent girls. Here's an interesting review from a guy who seems to have been tricked into seeing it. Excerpt:

"It’s impossible to know for sure what’s going on inside Edward’s head because Pattinson is a horrible, horrible actor, delivering his lines with a Keanu Reeves-esque look of panicked confusion, like a moose that’s just woken up in a space shuttle."

This is another article Sierra isn't gonna like.