GURPS is way to crunchy (numbers focused) for me, personally, but I'm seconding the Sprawl recommendation.
Hack The Planet is another great modern cyberpunk RPG, based on the Forged in the Dark rule set.
Hack The Planet is another great modern cyberpunk RPG, based on the Forged in the Dark rule set.
On the other hand, how you experience D&D depends heavily on the GM. If social solutions to problems are not rewarded, players may feel like playing a board game. Same for GMs that railroad the story too much.