Amazon.com has the Logitech Wireless Combo Mk520 With Keyboard and Laser Mouse for a good price.

Item has a rating of 4.5/5.0 from 43 reviews

Pricegrabber Price : $46.90 ~ $76.57 Shipped

1. Amazon Price : $39.99 Shipped
2. Rebate Price : -$15.00 ( Exp : 01/01/11 )
Final Price : $24.99 Shipped After Rebate