Yeah, I tweeted to them a few days ago but didn't get an answer either. Very disappointing really.
https://twitter.com/meerkat1410/status/543378394046791680
To be honest, I'm at the point where I really couldn't care less what they say in their review because the time when it could have made a difference has passed. My iMac is preparing for shipment from Apple and therefore I'll spend up to 14 days doing my own review once it arrives.
You're also better off listening to people who actually own it rather than a website that just runs a bunch of fairly arbitrary benchmarks.
Anyway, all you really need to know is it's very, very good. Perfect? No. But very, very good. I can only imagine a small minority would be dissatisfied. So many things are known quantities, e.g. the OS, the processor, the RAM - we know the screen is stunning. So the only thing that's up in the air is the GPU, and there are enough impressions out there from numerous people.
So really, all Anandtech will say - if they get round to it is - screen stunning, processor great, GPU sadly throttles at times, blah blah. Overall, lovely. Move along!