I'd also recommend Maids as a new beginner sageuk. This drama deals with conflicts between the upper- and lower class. Most of the time you don't even notice that it's historical. And the scenery is to die for!
The buckets I cried whenever Gwanghae cried ;; I'm going to miss him so much, but I'm hoping we'll still see his face from time to time. Ahead of us now is a more central role for Jungmyung, and her marriage to Joo Won.