In some ways, it is a similar question to asking what is the best city in the world to live in? It all depends on you or in this case, your eyes. To be fair, the various methods of laser vision correction are good treatments in their own right.
How a surgeon recommends one over another really depends on the profile of the patient’s eyes. Eg. severity of refractive errors, thickness and shape of cornea, patient's lifestyle etc.
Rely on a surgeon you trust to help you navigate through the various choices. He should present the pros and cons of each procedure type with respect to your own eyes. Avoid the surgeon that tells you that one treatment is the best for everyone. Though it is possible that your eyes may be suited to only one particular type of procedure due to specific profile of your eyes.
Dr David Chan