We are planning to use our Disney Visa Rewards card to pay for our meal at Garden Grill. My memory isn't what it use to be, they will accept it there, right?
Another thing to keep in mind: if you are staying at a Disney hotel, you can charge your meal to your room (even if it is a non-Disney owned resturant) and then you can use your Disney Rewards card to pay off your room balance at the end of your stay. That's what we'll be doing.
Remember if you are considering the above that the Swan/Dolphin restaurants and some kiosks won't let you use your Disney room key for charges. There may also be a couple of Downtown Disney restaurants or snack places that won't accept Disney room charges.