Restaurant.com has another monthly sale where they give up to 80% off. $25 gift certificates now going for $2 or $3. $10 Gift certificates going for $0.80.
Use coupon code: PUMPKIN
Restaurant.com(makers of the entertainment.com) provides gift certificates for select restaurants(non in HI) but if you don't want to select which restaurants now, "buy as gift" and select later.
Beware most "gift certificates" have minimum purchase requirements or black out times.
If you have Discover card, log into Discovercard.com and select "shop discover retailers" for 20% Cashback.