Amazon.com: OWC 2GB (2 x 1GB) PC5300 DDR2 667MHz SO-DIMMs Memory Compatible with MacBook/MacBook Pro, iMac, and Mac Mini Models (OWC5300DDR2S2GP) : Everything Else
Memory Master 2 GB (2 x 1 GB) DDR2 667MHz PC2-5300 Notebook SODIMM Memory Modules (MMN2048KD2-667) at Amazon.com