[mitmatt]

The USC group has a response to Smolin and Smith which explains how some quantitative features are still best explained by a simulated quantum annealer: http://arxiv.org/abs/1305.5837. So there's still some potential for evidence of quantum effects (though "maybe doing something nonclassical" is a far cry from all the marketing talk, especially since annealing with stoquastic Hamiltonions with a fixed topology is already a far cry from any known-to-be-useful quantum computing model).

[jessriedel]

Ooh, thanks. I think John and Graeme have been working on a second version, presumably in response to this. The battle continues...