Elpida 2GB DDR2 PC2-5300S SDRAM SO-DIMM EBE21UE8ACUA-6E-E at Amazon.com
Amazon.com: OWC 2GB PC5300 DDR2 667MHz SO-DIMM Memory Compatible with MacBook, MacBook Pro, iMac, and Mac Mini Models with Core 2 Duo Processor (OWC5300DDR2S2GB) : Everything Else
Transcend JM800QSU-2G 2GB DDR2 800 SO-DIMM at Amazon.com