I received the Rocket Grill 3 weeks ago. I've tried grilling steak and chicken several times, but I have never seen a grill mark (because the grill plates won't come together). Food will eventually cook due to the heat of the grill, but it takes one hour to cook one thawed peice of chicken. I called and complained and they say they will send a replacement. They didn't seem surprised when I told them that the grill plates don't close -as if others have had the same problem. I'm pretty disappointed because I gave away my Foreman Grill as soon as I got this. Maybe the next one will work....