Thumb Score: +15 Dell.com has Dell WM123 Optical Wireless Mouse w/ Nano Dongle on sale for $11.99 - $7 Slickdeals Rebate = $4.99. Shipping is free. Thanks RevOne Note,rebate expires on 7/4/15. Deal Editor's Notes & Price Research: This was a previous Front Page deal with 70 TU for $1 more. Refer to our FAQ thread for additional information.