Many users coming from the olden days of using a snap-in type dock are used to closing the lid or their PC when using a docking station. However, in today's world of Universal Docking Stations, the DocKtor recommends leaving the lid open to use the local display.
With the possible exception of the singing in "Surface Pro 3 Winter Wonderland, the latest Surface Pro 3 vs. Macbook Air TV commercials are entertaining.
Okay, not really $99 in total, but the HP Stream 7 at $99 with Office 365 is an incredible deal. Indeed, this little PC, and it is a real PC, runs Windows 8.1, not Windows RT, or like an iPad, or like a Chromebook.