Here is a video of Ralph Merkle(1), the father of nanotechnology(2) and the inventor of Merkle's Puzzles(3), on the state of the art in cryonics: http://www.youtube.com/watch?v=YhPtQd9rAEo&feature=results_main&playnext=1&list=PL443EDA1A09E0EE10
Do you consider this to be a plausible, worthwhile attempt at life extension, or does the possibility of proper preservation and eventual future revival seem too remote to be worth it?
0: http://en.wikipedia.org/wiki/Cryonic_suspension
1: http://en.wikipedia.org/wiki/Ralph_Merkle
2: http://en.wikipedia.org/wiki/Nanotechnology
3: http://en.wikipedia.org/wiki/Merkle%27s_puzzles