Also, don't bother with whole-body preservation. It's useless, because regrowing a body is the least of revival problems,

I'd feel more comfortable with that if we knew more about the extent to which the glial cells around the heart -- not to mention the remainder of the nervous system -- play a role in learning, decisionmaking, emotion etc. I'd hate to lose any non-recoverable data from those systems and have to recreate it, e.g. learning to walk again or being missing emotional reactions, or who knows what else. I think I'd want to keep the "useless hunk of meat" around, just in case, even if it had to be separated from the head for better cooling.