Genre defining would be classics - first Blade Runner, GitS, Robocop, Johnny Mnemonic, Demolition Man, Matrix trilogy, Strange Days (C77 braindance is from there), Akira (kind of, more the urban feel and gangbanger setup than the plot).
From new ones the new Blade Runner, Elysium, new Total Recall, Sleep Factory, Dredd, The Machine, Kill Command, Upgrade, maybe Bright if you like Shadowrun as a setting.
Final Fantasy 7/Tetsuo/Tron type miracle magic i personally would not count. Tech as magic is somehow less acceptable than Shadowrun style magic as tech.