Office Depot offers the Logitech MX620 Cordless Laser Mouse for $44.99. This $25 mail-in rebate cuts it to $19.99. Pad your order over $50 for free shipping; otherwise, shipping adds $9.95. (In-store pickup is also available.) Even with shipping, it’s the lowest total price we could find by $20. Sales tax is added where applicable. Claiming to “scroll through 10,000 lines in just 7 seconds and stop on a dime,” this wireless mouse features a scroll with tilt, wireless USB connectivity, and 5-year manufacturer’s warranty. Rebate ends April 11.