iMac (Late 2006 17-inch): iMac Core 2 Duo/1.83Ghz 17" LCD Combo -- DTC2I7G183CO iMac Core 2 Duo/2.0Ghz 17" LCD SuperDrive -- DTC2I7G200SD
iMac (Early 2006 20-inch): iMac Core Duo/2.0Ghz 20" LCD SuperDrive -- DTCDIAG200E6