This was the first Rogue Trader adventure I ran, and it was far and away the best and most interesting set of challenges for a true Rogue Trader to face. Diplomacy, backstabbing, political maneuvering, combat, war, and a great planet to act as a future 'home' for the characters in the midst of the Reach.
Note: The other two adventures in this trilogy are... not great. Adventure #2 takes away some of the grand scheming of the Rogue Trader universe; and Adventure #3 is just bad from the goals, to the characters, to the expected checkboxes that the players would have completed before hand, to the mediocre rewards. Stick with Frozen Reaches and then improvise from there.