Restaurant.com is having a HUGE sale where you get 90% off your restaurant gift certificates when you enter the code NINETY at check-out. Shop through Ebates and get an additional 15% cash back (plus a $5 bonus if you are signing up for the first time).
This is a great opportunity to get a discounted meal at one of your favorite restaurants or to try out a new restaurant (or restaurants) in your area.
DISCLAIMER: Be sure you read the fine print! Many of them require a minimum purchase and some of them limit the days/times when they can be used and/or require a minimum gratuity amount.