Buy.com this week has the Kensington SlimBlade mouse with nano receiver (model no. K72334US) on sale for $28.99, which is already $11 off the list price of $39.99, and until 8/7/10 save an additional $15 with this mail-in-rebate offer that drops the price further down to $13.99.  That price drop has made this the lowest price we have seen on this mouse anywhere by about $19.  FREE shipping is included and sales tax applies for residents of New York and California.  The Kensington SlimBlade mouse features a thin profile design that works well when traveling, has a laser sensor for precise control, and is PC and Mac compatible. 

NextWarehouse.com has the Logitech M305 optical wireless mouse for only $29.09 with FREE shipping.  Also available at NextWarehouse.com is the Microsoft wireless notebook presenter 8000 mouse, now $55.14 with FREE shipping.  Lenovo.com is currently offering the Lenovo Bluetooth laser mouse for $39.99 with FREE shipping.