cap said:

Monroville said:

Vader would be smart enough to know that eventually Luke would go to save his friend Han from Jabba, and being that Luke came from Tatooine to begin with, it would be no different than cops staking out a criminal's parents or girlfriend's home.

Vader is under explicit instructions from the Emperor not to go after Luke, but to wait for Luke to come to him.

True, but Vader wouldn't be above disobeying the Emperor for his own agenda, provided of course he could talk his way out of any punishment. Besides, even if he can't go after Luke it doesn't mean he can't send his guys out to keep an eye on him.

Rhikter: I know where you're coming from. Regardless of the audience wondering where Luke is, that is just a great character introduction (Luke entering Jabba's palace). Maybe if you had the opening on Dagobah, only shots of Luke from a distance where we never really get a good look at his face are shown. When Yoda says his lines, we can only hear Luke off camera. That way while we know that the person we are seeing is pretty much Luke, we don't get to see his face until he reveals it when he flings his hood back at the palace.