the dialogue is filled with scientific jargon, but meticulous like james cameron's detail on the Titanic, all of the scientific jargon is relevant. if you liked Pi you will very much like Primer this movie is what i was hoping to see when watched Pi.
Be prepared to hang onto the DVD for a while. It's one of those Donnie Darko type movies where you'll want to go back and watch it again after it's over. and then you'll probably want to watch it again, and by then, maybe you'll have figured it out and will want to have another pass to pick up on the clues.
and in other news, i got the card they made of my photo for miram's show in the mail today