i'll prolly do it if i can afford it & will have plenty left over in my estate for the kids, etc. there are gonna be some incredibly neat things developed in our lifetime, but i still get frustrated know that there are things i'm unlikely to ever see. or truths about life & the universe that won't be known in my lifetime. those are the things i'd "die" just to see/know.
but really, i won't expect to wake up in the future. a.) it's awfully unlikely that you'll be revivable; ice crystal formation is devastating to brain cells, which are pretty much the main thing you'd want to be salvagable, if you're hoping to wake up & still be yourself... if they have to technology to revive you, then they'll certainly be able to build you a new body. nano-technology is the theoretical hope for repairing the damaged brain cells, but it's still a long shot when it comes to perfectly reconstructing a brain, which, unlike muscles tissue, would need to be absolutely perfectly re-engineered in order to revive the same psyche that was frozen so long before. and nevermind the whole issue of the human "soul". who knows? maybe they will in the future & that's something i'd sure like to see.
b.) the company that you pay to freeze & preserve your body.... what makes you think that it'll be around in a couple hundred years? what if cryogenics become unpopular & the company goes bankrupt? those are details that the companies, in their sales pitches, must account for, but i've never heard their points. does the fee you pay just cover the freezing process, or also the "thawing" process, too? anyway, those kind of considerations come to mind pretty quickly to me. though i suspect that these companies are exploiting human nature's susceptability to hope & "miracle-cure" processes, i'd prolly still give it a shot for the obvious reason that there's nothing much to lose.