Jesus, is this out already? I read something about a TV adaptation a year or so ago but haven't seen anything since, not one little mention. The movie and entertainment websites I frequent have somehow let it fall through the cracks. I even heard about the 12 Monkeys TV show, but nothing on High Castle in over a year.
I like the book, but I wouldn't put it in my Top 5 list of Philip K. Dick novels. How it won the Hugo award is beyond me; but then it was 1962, before Dick wrote masterpieces like Ubik and A Scanner Darkly. His best work before the mid-60s was in short story form; his novels hadn't made a huge impact yet. But I guess High Castle would be ideal for a TV adaptation, since it's not the laser guns and flying cars type of sci-fi; it's more cerebral and philosophical rather than technological.
Anyway, I'll have to check it out. Thanks for posting the topic; I probably would have gone on not knowing about it otherwise.