Neuromancer Imagery

If Gibson is good at one thing, it seems to be descriptions. His writing can be quite vivid, and more importantly, consistent, in the way he writes. Not to say that all the settings within the novel are the same, just that his ability to create an immersive world is quite great. The thing about immersion, is not to create a world based purely in reality, as that stifles creativity. It is to create a world, set those rules, and follow those rules. But that is just my personal opinion.
"He closed his eyes.
Found the ridged face of the power stud.
And in the bloodlit dark behind his eyes, silver phosphenes boiled in from the edge of space, hypnagogic images jerking past like a film compiled of random frames. Symbols, figures, faces, a blurred, fragmented mandala of visual information.
Please, he prayed, now-
A gray disk, the color of Chiba sky.
Now-
Disk beginning to rotate, faster, becoming a sphere of paler gray. Expanding-
And flowed, flowered for him, fluid neon origami trick, the unfolding of distanceless home, his country, transparent 3D chessboard extending to infinity. Inner eye opening to the stepped scarlet pyramid of the Eastern Seaboard Fission Authority burning beyond the green cubes of Mitsubishi Bank of America, and high and very far away he saw the spiral arms of the military systems, forever beyond his reach.
And somewhere he was laughing, in a white-painted loft, distant fingers caressing the deck, tears of release streaking his face."
William Gibson Neuromancer, Page 52. 

That is not to say his descriptions are too wordy. As you can see here, you don't have the Tolkien like descriptions where you get pages upon pages of descriptions. Rather it can be quite focused, giving you what you need to know. I forgot where I read it, but I heard a quote that went something along these lines. "Put down the dots and connect them, and people will say your work is good. But give them the pen and let them connect it themselves, and they will call you a genius". If you give them just enough information, then people will try to make as many connections as they can. In a simpler analogy, don't just give students the handout,  make them write it out.