Circuit City offers the Kensington Ci65M Wireless Notebook Optical Mouse, model no. 72267US, for $17.99. This $9 mail-in rebate chops the net price to $8.99. Shipping costs $4.68, or pad your order over $24 to qualify for free shipping. (In-store pickup is also available.) Even with shipping, it ties last month's mention as the lowest total price we've seen by $12. Sales tax is added where applicable. Features include a scroll wheel and USB receiver. Rebate expires September 27.