Today only, Buy.com offers the Kingston 8GB PC3-8500 DDR3-1066 SO-DIMM 204-Pin Dual Channel Notebook Memory Kit with two 4GB SO-DIMMs, model no. KTA-MB1066K2/8G, for $39.95. This $10 mail-in rebate drops it to $29.95. With free shipping, that's $10 under our August mention and the lowest total price we could find by $10.