I always liked this art for it:
I do, too. I like most of the stuff
Rachel Morris does for NYU's Game Center, though I'd have a tough time finding wall space for any of it.
The character concepts look very nice. A little more high-gloss than I expected, but Chris is
so aware of what he wants out of this that I imagine anything visually distracting will be toned down a bit. Also, nitpicky but, stacks of Harper's Bazaar littering the office be damned, you can tell a man designed the female characters. There are little visual elements that don't really make sense (to a woman), such as the jacket on the older lady versus a shawl, or the hem on the other chick's skirt.
But yeah, anyway, looks brilliant. Spy Party can't come out soon enough.