Tom,
The moves Raul has made are minor and most believe they are cosmetic and solely for the purpose of giving the impression the oppression will end.
We keep up to date on Cuba fairly well and its still bad enough to risk your life setting out to sea in something like this:
http://i201.photobucket.com/albums/aa3/elbertgreer/cubanboat010-1.jpg

White Sands Dive Shop
https://whitesandsdiveshop.com/