Walmart has the Traveler's Choice Rome 21" Hardside Rolling Carry-On Upright (Black or Silver) for $39
with free site-to-store shipping or $4 shipping to home. Features flexible and durable polycarbonate exterior, telescoping aluminum handle, ball bearing rolling wheels, padded interior and tie-down straps. eBay with eBags
has it in Black for $40
with free shipping.