Ok ok,
I am a person who does research for living and who is very interested in ebook devices since more than three years now.
First of all,
The Entourage Edge is really a kick-ass device for the job. The only thing that kills the edge is that it's too bulky and a bit unappealing.
The Que reader is super for reading, but stinks as a research tool since it does not have stylus support and doesn't allow notes and scribbles...etc
A device that might really work is a device that would not use the current technology of eInk. It needs to have a very quick refresh rate that allows scribbles, notes and web-browsing. Color is not a very important issue, and backlighting is big No-No.
I see the perfect device using one of the new technologies (like Liquavista). The device must be able to serve three purposes:
1. Very efficient eTextBook reading experience.
2. Usable Internet access with the ability to download, view...etc documents
3. Word processing capabilities, mostly in the area of note writing and sketching. The device also needs to have a very fine and precise handwriting support.
Hope that helped