http://www.engadget.com/2012/09/22/microsoft-resurrects-courier-through-project-austin-app/
Austin: Microsoft Digital Notebook (windows 8)
September 22, 2012Recognizing Pen Grips for Natural User Interaction
March 10, 2011A list of (some future) models of Tablet PCs
April 27, 2010A list of (some future) models of Tablet PCs:
http://aeiou.exameinformatica.pt/ha-tablets-para-la-do-ipad-fotogaleria=f1005766
(in portuguese, but non-native portuguse speakers can understand the different models and see the pictures of each one)