Whew... some really deep (and long) posts here. I'm not going to give my direct opinion, but refer to Jonathan Swift's Gulliver's Travels (I think it was) where there are immortal people in a certain land, and Gulliver thinks they must be the most blessed, wise, and happy people in the world. When he meets them, he finds they are the most miserable people in the world. All they want to do is die.

Good book, worth a read.