So: I'm rewatching Empire right now. I saw something I'd never before notice:
In the scene where Luke is on Bespin, and the Stormtroopers are walking with Han's Carbonite encased body. An Imperial officer notices Luke's shadow on a wall, and uses hand signals to get his troops into better position against the intruder.
That's good attention to surroundings, good interpretation of events, fast thinking, and good leadership. Not to mention great Stormtrooper training to instantly obey.
Imperial troops aren't actually a joke, I think.