Running Windows is all well and good, but when you're running the RT flavor, which strips compatibility with the entire, massive and still-swelling catalog of Windows applications, you're left with a desktop-class operating system completely bereft of any desktop apps.
Netflix users will now be able to browse the entire catalog instead of simply loading their queue, and Microsoft has also gotten its Party Watch system in order, so you'll be able to heckle videos with your online friends.