I have thought about it several time but never go through with it.  I have read and know of a few people who have had problems with it.  I also know many people who rave about it saying it's the best thing they ever did.  Bottome line is if it works out well you are thrilled. If not you are kind of screwed because many times they can't correct some of the issues.
In the end I just don't want to fuck with my eyes and realize that glasses are not that bad. 
