I'm reading Dumas' The Count of Monte Cristo. It's really very good! I was expecting it to be long-drawn out and heavy, but not at all! Only thing that worries me slightly is I'm on page 870 and there are 3000 pages to go...
That's the beauty of a reader, you don't get wrist-ache trying to hold a mammoth book. Also, it makes you try things you wouldn't normally bother with, as it was a free download from Sony.