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JulianMorrison comments on This Didn't Have To Happen - Less Wrong
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Right now, there's virtually no evidence that cryonics works. If I wanted to spend money on something not proven to work, I could do it much more cheaply - I bet someone on the street outside would happily sell me an immortality potion for like 5 bucks.
It makes a lot more sense to me to spend my money on things that will make my life better, for reals.
Vitrification works in organs. Neurons are being simulated in software. Stem cells tech is improving. We already pretty much have the electron-microscope and chemical assay tech to dice, slice, scan and digitize a frozen brain. We don't yet know exactly what to digitize, but neuroscience is a heavily studied field.
The fact of revival isn't here yet, but the peripheral evidence is strong.
You may be surprised, but none of these arguments significantly move me. I think that damage is too great and complex for such techniques to work for a long time, and when something will finally become up to the task, the particular list of hacks you mention won't be relevant at all.
I've seen slides, the earliest ones were really wrecked by ice, but a modern vitrification process is much less destructive. Cryonics is going to be very much LIFO, but the last few in might well be fixable with barely more than hacks.