OWC 8 GB (2 X 4GB) ram PC8500 DDR3 1066MHz sodimm 204-pin Memory Upgrade Kit, (OWC8566DDR3S8GP), Compatible with MacBook Pro, MacBook, Mac Mini and iMac at Amazon.com
Memory Master 2 GB (2 x 1 GB) DDR2 667MHz PC2-5300 Notebook SODIMM Memory Modules (MMN2048KD2-667) at Amazon.com
G.Skill 4GB DDR2 PC2-8500 1066MHz TT (PI) Black Series (5-5-5-15) Dual Channel kit at Amazon.com
A-Tech 2GB RAM Replacement for Crucial CT25664AA1067 | DDR2 1066MHz PC2-8500 UDIMM Non-ECC 240-Pin DIMM Memory Module at Amazon.com