The tour is good for you if you enjoy art and want to explore museum at your own pace. It is a detailed visit, covering main masterpieces and places where not many groups come,but it is also oriented on your interests in art. The tour covers art collection, state rooms and living quarters of the Winter palace. You'll walk through the buildings of the Small Hermitage, Old Hermitage, New Hermitage, will se a lobby of the Hermitage theatre. After a break the second part is in the General Staff Building across the Palace Square.
You'll definitely appreciate expert comments of your guide and skip the line entrance to the museum.