You can buy a "dented box" version from Logitech for $42 using coupon code logi_ilk_93011. Includes free "standard ground" shipping, although some states may charge tax. Compare to $79.99 at Newegg, where it also has great reviews.
Dented Box items from Logitech are products whose outer box has been torn, scratched, dented, or has other markings on it. The product itself is guaranteed to be in brand new condition and fully warranted. Sales are limited to quantities on hand. Limit 1 per customer.