Judging by the experiment with the secretly identical question, I seem to have been wrong. Everyone says they would jump at the chance to be reincarnated, so lack of desire to live longer apparently doesn't play as significant a role in cryonics refusal as I thought.
One of the reasons why I'd accept the angel's offer but I haven't signed up for cryonics is that in the former case I'd expect a much larger fraction of my friends to be alive when I'm resurrected.
From Mike Darwn's Chronopause, an essay titled "Would You Like Another Plate of This?", discussing people's attitudes to life:
Conclusion, graphs, and references in article. As usual, I recommend reading Chronopause.com as Darwin has many good articles; to quickly link a few: