It was good horror, but I don't think I liked this episode very much.
I feel my biggest problem is the lack of resolution. I know that's kind of the hallmark of horror, the "The End...?" but I actually kind of like the technobabble explanations.
I don't want them to not take risks with Star Trek, so I welcome experimental episodes, but I still feel a bit let down.
Ironically this is very much how the manga was. There were a lot of cliff notes in the margins to explain things, or a few times to explain what Shirow intended but was too lazy to draw.