You’ve got to hand it to the folks at LucasArts — they wring every drop of juice from a game platform, whether it’s PC CD-ROM (where Rebel Assault has been a best-seller for the past eight months) or Sega CD (which is just releasing the same game). The trouble is, Sega CD doesn’t have that much juice to begin with: Thanks to the system’s slow disc access and limited color capabilities, this version of the Star Wars fighter ship never quite reaches light speed. B