OWC 4GB PC8500 DDR3 1066MHz SO-DIMM Memory Compatible with Early 2009, Early 2010 MacBook, MacBook Pro Unibody Models, 2009/2010 Mac Mini, and 2009 iMac Models at Amazon.com
Memory-Up - Black Diamond Memory
Timetec 8GB Kit (2 x 4GB) DDR3-1066 SODIMM for Mac - Timetecinc.com - Memory of Lifetime and Easy Upgrades