Take a look at the Kindle DX (9.7 inch screen), Pocketbook 902 (9.7 inch screen), Pocketbook 903 (9.7 inch touchscreen), and the Sony PRS-950 (7 inch touchscreen). Try looking reviews up on youtube to get a better idea of their capabilities, or looking them up here:
https://wiki.mobileread.com/wiki/E-book_devices