Anyway, on the OP, I'm not sure it's a very answerable question. If you choose the traditional view of heaven, you cease to be "you" anymore, just a brainwashed shell that looks a lot like you. If I picked that, I wouldn't be MSH anymore, and so its not an option. If you choose the traditional view of hell, the pain of it would drive you insane and you'd also cease to be yourself anymore, just a mentally burnt-out husk that looks a lot like you. If I picked that, I still wouldn't be MSH anymore, and so it also isn't an option. So I say that there is no choice here. Both outcomes end the same way.
If you're taking Dante's view of Hell, the people there are pretty much the same as they used to be. The only thing changed is that they're learning their lesson and they're (generally) in immense amounts of pain. Their base personality doesn't change; they retain a full mental state.
I would happily embrace a blissful ignorance. If everything bad I ever knew was gone from my mind, that would be fine. I couldn't care about any loss of memory, because I would know nothing about it.
To use a simple analogy, I love the internet. It is a great thing. What if it's actually a magical force kept in place by thousands of human sacrifices daily? As far as I know, it's not, and I can continue to enjoy it without regret. Such would be a selectively-minded heaven.
If you don't know about something bad, then - to you - it may as well not exist.