I'd prefer the term 'Big Galaxy' of all of those. I've never liked the oxymoronic term 'Expanded Universe'. I didn't mind the Lando Calrissian books either even though they were written after Empire. They took place before the Han Solo trilogy. There isn't much Star Wars in there at all, aside from a main character named Lando Calrissian and his ship the Millenium Falcon. Everything else in there is standard sci-fi stuff.

Don't forget about Han Solo's quote out of Star's End where he mentions that he prefers to shoot first.