Crucial 8GB (2 x 4GB) 204-Pin DDR3 SO-DIMM DDR3 1066 (PC3 8500) Memory for Mac Model CT2K4G3S1067M - Newegg.com
KOMPUTERBAY 8GB (2X 4GB) DDR3 SODIMM (204 pin) Made with Hynix semiconductors 1066Mhz PC3 8500 for Apple 8 GB with SODIMM Heatsink for Extra Cooling at Amazon.com
Super Talent DDR3 1066 SODIMM 4 GB Micron Chip Notebook Memory W1066SB4GM at Amazon.com