newegg offers the Coboc 3-Foot CAT6 550Mhz UTP Network Ethernet Cable in Blue (pictured), model no. NW-6-3-BL, for $4.99. This $4.99 mail-in rebate cuts it to $0. With $1.99 for shipping, that's tied with our mention of this cable in a different color from two days ago and it's $1 below the lowest total price we could find for a similar cable elsewhere.

Also available is the Coboc 6-foot Serial ATA II Cable in Red, model no. SATAII-MM-6-RD, for $5.99. This $5.99 mail-in rebate makes it $0. With $2.49 for shipping, that's $6 off and the lowest total price we could find for such a cable. Both rebates end July 31.