I wasn't satisified with the ending of this one, but I have to admit that the subject matter makes it difficult to find ANY satisfying ending.
Death is horrible, but it's also puzzling.
Souls in the Great Machine , Sean McMullen. Well, Malcolm Gladwell's The Tipping Point , which is as worth reading as you've been hearing, and A Heartbreaking Work of Staggering Genius which is worth reading, although I'm not sure it's my cup of tea. I'll let you know. Nothing much of note, I think. The premise of the book is that most of humanity has created a virtual world in which they can live and be immortal, literally leaving their bodies, while the remainder are left on an Earth inhabited by religious fanatics and a class of genetically engineered former slaves.