This deal has ended.
Buy.com has the Microsoft Wireless Optical Desktop Elite for $52.78 after a $10 mail-in rebate and the $20 off $50 discount you get if you pay via Google Checkout. The cordless keyboard and mouse combo includes a keyboard with a padded armrest and a Microsoft Intellimouse Explorer. All other stores are $70-$100 before shipping and tax. Buy.com shipping is free and there is no sales tax (except CA, MA, MD, TN).