Exciting stuff. Can't wait to see the benchmarks. I wonder how far it is compared to the Haswell U series. I wish the higher end ones will be powerful enough for some light photoshop and web development and the lower end ones have still a fluid Windows experience with long battery life.
Since Microsoft priced me out of the market with their Surface Pro, I am still waiting on a tablet to give me Win 8 and x86 compatibility.
They start as low as $300 with the Acer Iconia W3 so you can get x86 compatibility very cheap, but... You get what you pay for. I have an Acer Iconia W700 and it's awesome - but it basically has the hardware of a mid level Ultrabook. If you want something with good hardware, you pay for it, and don't be expecting Ultrabook hardware for less than Ultrabook pricing, in which context the Surface and W700 are actually reasonably competitive. If you want a slower Atom based processor in your Windows 8 tablet, you can get it cheap, but don't be surprised when it chugs - those types of weaker processors are meant to run Android/iOS/Windows RT, and apps, not applications.
My suggestion? Go with a Surface Pro or Iconia W700 if you want one without compromises. Otherwise, buy cheaper and you'll get your x86 functionality, but it'll be like using a budget laptop - chug chug chug even web browsing. Office will likely work fine though.