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
parts-quick 1GB 2 X 512MB PC2700 333MHz 184 pin DDR SDRAM Non-ECC DIMM Desktop Memory RAM for Dell Dimension 4600 at Amazon.com
Memory Upgrade 1GB ECC 667MHZ DDR2 PC2-5300 (AA667D2E5/1GB) at Amazon.com