There are going to be two versions, one Windows RT and one with Windows 8 Pro.
Those wanting to have Ink in the RT version are going to be disappointed, the good news is that the Pro version still have this feature and all the others that makes this version a full TabletPC.
Both version have a cover that includes a touch keyboard on it. A revolutionary concept never seen before. The whole design is new and includes a stand as part of the body.
The price and availability still unknown but we expect to find more information in the next few weeks at http://microsoft.com/surface