Yeah, that was the low point.

What about some high points?

What about when Vader and Luke are out on the catwalk in Bespin for their first duel?
The sparks are flying, Darth Vader busts out with the, "Who's your daddy?"
Yeah, it's really the climax of the whole trilogy...search your feelings, you know it to be true.

2 teh h8r's: may a Gorax consume your testicles (or other bits if you have none).