If you can stand the weight, the learning curve, and the fact that the company's future is uncertain, it sounds to me like you are a perfect candidate for a full-sized enTourage eDGe. Look for comments and videos here
https://www.mobileread.com/forums/forumdisplay.php?f=218 and here
http://www.entourageedge.com/forums/forum.php and here
http://www.entourageedge.com/support/
I have the smaller version and want a big one for the 9.7" e-ink screen that works with a 10.1" Android tablet. You can buy extended warranties if you are worried.