Newegg.com has the Corsair 8GB (2 x 4GB) 204-Pin DDR3 SO-DIMM DDR3 1333 Laptop Memory Model CMSO8GX3M2A1333C9 for a good price.

Item has a rating of 4/5 from 58 reviews

Pricegrabber Price : $53.98 Shipped

1. Newegg Price : $49.99 Shipped
2. Use coupon code EMCKBJJ34 to get $5 off ( Exp : 8/31/11 )
3. Rebate Price : -$10.00 ( Exp : 8/31/11 )
Final Price : $34.99 Shipped After Rebate