Worth noting that if you like the Fading Suns setting but don't like how fiddly the 4e rules are, there's a free official accessory on drive thru for "streamlining the rules" (bringing it down to normal RPG level)
The full rules have an AP type system represented by tokens, but you can immediately see how complicated the system gets because it goes, "Okay, there is a bank for players, a bank for the GM, and then an vague amount of possible 'sub-banks' that can show up depending on character options