Best Buy offers the HP x3000 Wireless Optical Mouse in Black, model no. H2C22AA#ABL, for $7.99 with free shipping. (Amazon has it for the same price with free shipping for Prime members.) That's tied with our mention from last month as the lowest total price we've seen. (It's the best deal now by $2.) This 3-button mouse features an ambidextrous design and includes a wireless USB nano receiver. It requires one AA battery (included). Deal ends today.