Oh, yes. I've got this feeling that it gonna be epic, this start is very promising. You can so wonderfully play with words, thanks to that we get sentences like this one: "Christ, they were going to kill each other."
Very true, I almost can't see them in peace, when nothing happens around.
Anyway, I totally see them in The Trans-Siberian Express Classic. I don't know why, but it seems to suit them.
As for the suggestion: no sounds, but a picture: a broken mirror, possibly a small one. I can see the shattered glass, maybe even a small amount of blood on them? Oh, and I can see someone throwing this mirror on purpose (sorry, I just need a fierce argument between them, no idea why).
Coming back to this chapter: I love Arthur's gangster hair. And it's so good your love/sex moments aren't explicit! It's not I don't like that way of writing, but I don't think it would work in the style you write. Oh, and I love the fact Eames proves he's a really skilled theft.
Enough of rambling, I'm waiting for the next chapter!