Nice world, worked out combat system, interesting characters. It is a must for all sci-fi lovers.
Another thing I like much is the combat system. It felt that much effort was put in this: each fight is different and the A.I. is really adapting to your fighting style. And there is the decision between the three skill trees, this makes the combat system even more interesting and exciting.
Regarding the environment I wasn't quite satisfied. There were stairs I couldn't climb, the frequent necessity to load another area dispelled the open world feeling. At least it was beautiful, the whole world gave a really impressive cyberpunk feeling, it really made me feel belonging there.
As for the negative part, I was waiting the technomancers to be more strong, to have more struggle defeating them - sometimes the guards gave me more trouble. The story was very well thought but it seemed to be too short, I was expecting a longer game-play.
As a summary, the game worth's playing and even replaying. It is a nice sci-fi experience on PC. I hope that it will have at least a sequel.