- Screen

MultiTouch is cool , but I want a stylus. MultiTouch + EMR technology is the best match. However, it is expensive...

- OS
Must be a open source OS.

- Software Features/applications
1) Task management
2) Internet connectivity
3) Imaging.

- Hardware features

Pico projector + camera... With six-sense like feature...

I know I am demanding too much

- Price/Manufacturer
USD $600-700. As my demand is really high.