parts-quick 8GB 2X 4GB PC3-8500 1067MHz DDR3 Memory Compatible with Apple MAC SODIMM 204 pin RAM at Amazon.com
A-Tech 16GB Kit (2x8GB) DDR3 1066MHz / 1067MHz PC3-8500 SODIMM RAM for Apple MacBook (13 inch, Mid 2010), MacBook Pro (13 inch, Mid 2010), iMac (27 inch, Late 2009), Mac Mini (Mid 2010) at Amazon.com
Rasalas PC3-8500 8GB Kit (2x4GB) DDR3 1066MHz Sodimm 2RX8 DDR3 1066 MHz 1067MHz PC3-8500S 1.5V CL7 Laptop RAM Memory for iMac Inter Mould at Amazon.com
4GB 2x 2GB Apple iMac Early 2009 Late 2009 Core 2 Duo Memory DDR3 1067 MHz RAM | eBay
Timetec 16GB KIT(4x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 Dual Rank for iMac (Late 2009 21.5-inch / 27-inch) SODIMM Memory MAC RAM Upgrade for iMac 10,1 and iMac 11,1 at Amazon.com
8GB Kit (4GBX2) DDR3-1067Mhz for Early/Late 2009 iMac and 2009-2010 MacBook Pro at Amazon.com