All4Cellular offers the Ventev UltraTHIN Hard Shell Case for iPhone 4 in Blue or Transparent for $1.95. Coupon code "VALENTINE" cuts it to $1.75. With $2 for shipping, that's pennies under our mention from three weeks ago and the lowest total price we could find by $2. This razor-thin plastic shell snaps on to your iPhone 4 to protect the back from bumps and scratches. Deal ends February 12.

Also available is the Ventev VersaDUO His Interchangeable Shell for iPhone 4 for $1.95. Coupon code "VALENTINE" cuts it to $1.75. With $2 for shipping, that's tied with our December mention and the lowest total price we could find by $1. It includes three interchangeable color plates in red, blue, and silver.