X – 1 does a wonderful job boiling down some of the best science fiction of early 20th century into 30 minute dramas. Like with any abridgement, the stories as written by their original authors are almost always better, but this radio series gives you exposure to stories and authors you might otherwise have missed.
Additionally, the show is just entertaining. It was well put together and performed.
Finally, this is an interesting peek into entertainment history. Before the TV was king, these radio shows were are central part of the American persona.