Poll: Face-Off: Supercomputers of Evil

Hal of 2001: A Space Odyssey (1968) vs. W.O.P.R. of WarGames (1983) vs. SkyNet of Terminator 3: Rise of the Machines (2003) vs. V.I.K.I. of I, Robot (2004) vs. Colossus of Colossus: The Forbin Project (1970). Computers famous are you all. Who's the evilest of them all? After voting, please discuss here.