Downloaded the theme and started using it without a problem. No errors, no content publishing problems, all went smooth.
It does look absolutely nice, the simplistic design (lots of white, big and readable fonts - except for Sand, which my screen doesn't seem to be able to read -, not too many objects on the pages / posts, not too many sidebars or banner spaces), everything seems in place, balanced and functioning good.
But if, god forbids, you are not a developer and still learning about WP and PHP, you're in trouble, mister. For a simplistic theme it sure does have plenty code lines and it's a pain to modify it without having to deal with errors.
If you're not a developer is a "take it as it is" kind of theme (my rating is heavily influenced by this, otherwise it would've been a 4 stars).
Nevertheless, it's a free good looking theme for which we should be thankful.