[Shadowknight1]

Star Trek toys didn't do well at retail because 1) the packages looked boring so people weren't likely to go "OOOOO that's from the new Star Trek movie I want it!", 2) every figure in the line was absolute garbage, 3) the "playsets" were even bigger pieces of garbage, 4) the role-play items were absolute garbage, and 5) none of it appealed to either new fans, old fans, kids, or collectors in general.

EDIT: As for Star Wars, I wouldn't mind continuous re-releases of Darth Vader if there were actual improvements. The only figure I want out of Star Wars right now is the Mara Jade figure that may or may not have been cancelled.