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Buy.com has the Logitech LX8 Cordless Laser Mouse for only $35.19. Plus, shipping is free and there is no sales tax (except CA, MA, MD, NY, TN). The mouse features side-to-side scrolling, and its laser technology delivers cursor control on virtually any surface. It's received 4.5 out of 5 stars from over 25 buyers. Compare this price to $43 at Overstock.