Newegg offers the Crucial 8GB PC3-12800 DDR3-1600 SO-DIMM Laptop RAM, model no. CT102464BF160B, for $35.99 with free shipping. (TigerDirect has it for the same price with coupon code "TSN160012".) That's $3 under our mention from three weeks ago and the lowest total price we've seen. (It's also a current low by $3.) It features a CAS latency of 11.
Newegg offers the G.Skill 16GB PC3-12800 DDR3-1600 204-Pin Laptop Memory Kit with two 8GB DIMMs, model no. F3-1600C10D-16GSQ, for $79.99. Coupon code "EMCAWNV43" drops it to $71.99. With free shipping, that's $18 under our June mention and the lowest price we could find by $11. It features 10-10-10 timings. Deal ends September 2.