The Sathar were OK for me. Long ago, there was a section of Dragon Magazine called Aries that had the occasional SF article, like a few new races, Star Law careers, and spaceships.
Overall, I enjoyed the game a lot, and I actually liked the skill/xp/ability score advancement system they used. With the sparse XP that were given out, you had to make hard choices on whether to advance your skills, or advance your ability scores, or even advanced classes when you factored in the Knight Hawks game (spaceship skills).