Today only, Chitek offers the Acase Superleggera PRO Dual Layer Case for Apple iPhone 4 / 4S in White for $6.95. Coupon code "7IQLBUSU" cuts it to $2.95. With $4.50 for shipping, that's a $7 overnight drop and the lowest total price we could find, although we saw it in black with two screen protectors for $3 less three weeks ago, since expired. This case fits the iPhone 4 / 4S for AT&T, Verizon, and Sprint.

Update: It's now $6.95 with free shipping and no coupon required.