Thanks for the links, Kurgan, Garindan. They both proved worthwhile especially Zortron's walkthru. Yeah, I saw the AT-AT. You're so close to it you could almost miss what it was!
I just finished reading "Heir to the Empire". It had Vornskrs in it. The games and the books have the same canon in them. I can't tell who followed who. I'm just thrilled that everybody (authors, programmers) is one the same Star Wars page!