Well, I got it the second it was available, downloaded it and finished it 2.5 hours later. It's shorter than Operation: Anchorage, but it's at least twice more entertaining. The story is intresting, the quests are different, and the atmosphere of the city is quite perfect for what they are trying to create.
At first I was pissed that it was so short, but it's good.
Ps, it's stupidly hard if you try it on anything else than normal. I didn't have any followers with me, but I suspect they are not allowed into the city at all.