This deal has ended.
The Logitech V550 Cordless Laser Mouse for Notebooks is available at Amazon for just $23.93 after this $20 mail-in rebate (expires 3/7, though price may change before then). This three-button mouse features 2.4GHz cordless technology and a tiny USB receiver that is practically flat when plugged in. Shipping is free and there is no sales tax (except KS, KY, ND, NY, WA). Compare this to $56 at Dell.