Logitech V550 Nano Cordless Laser Notebook Mouse for $19.79 Shipped

Logitech V550 Nano Cordless Laser Notebook Mouse for $19.79 shipped after this $15 rebate.  Here is a screenshot for your reference.  It has a nano receiver and up to 18 months of battery life.  Here is more information about the mouse.  As comparisons, Amazon has it for $29 after the same rebate, Walmart has for $56, and Best Buy has it $59.