There's a fundamental conflict between conceptual Utopia/Heaven and the law of supply and demand. All literary conceptions of a utopia rely on abundance of some good that is scarce in the author's time. Usually ignoring that its ubiquity makes it tend toward zero value. Here's my stab at Utopia, but it requires a belief that Knowledge is infinite: Utopia is a state of unhindered, continual learning at your own chosen…
"Utopia is a state of unhindered, continual learning at your own chosen pace." That's a very specific view of Utopia that I suggest most regular folk would not agree with, moreover, it's a bit odds with metaphysical kind of utopias from antiquity. Knowledge is ultimately still material, not necessarily enlightening. It's part of the dualist 'trap' that keeps us focused on what's right in front of our noses, 'playing…
The pain of learning and remembering and the zero-sum nature of forgetting make me disagree with it, but you can call all of those "hindrances". If I could swell my processing speed and memory capacity to absurd levels and become one of many god-like intelligences, able of satisfying all of my curiosities with any and all facets of reality with no particularly strenuous effort before, as a last resort, exercising my power to mutate my mind to the point where I put myself in ceaseless ecstasy for its own sake (in these dimensions or the others[0]), that has to qualify as the definition of paradise.
Let's hope we crack the conservation of energy sometime. : p