Corsair 2GB (2 x 1GB) 240-Pin DDR2 PC6400 Desktop RAM for free after a $30 rebate. Note that orders need to be placed by 3/5 for the rebate to be valid. Choose in-store pickup to save on shipping if you have a Fry’s near you. Otherwise, shipping is generally between $4 to $7 for this RAM kit. Most places have it for $29 or much more.