Newegg offers the Crucial 8GB PC3-8500 SO-DIMM Laptop RAM Kit for Mac
with two 4GB SO-DIMMs, model no. CT2C4G3S1067M, for $44.99
with free shipping
. That's $9 under our March mention and the lowest total price we could find by $5, outside of the mention below.
A close price: B&H Photo Video
offers this for
$44.99 with free shipping.