I like that it's an all in one solution, as well as having multiple options to patch things down from top-to bottom if needed (vs just doing "patch management").
It makes managing patching/updates incredibly easy for our organization! There is nothing at this time we dislike about dark sight so far; however, there could be more information added or different solutions offered by other vendors. Have used DS since 2010 when they first came out, but have only been involved with them recently due to some major changes within my org.