We have reservations for Diamond Horseshoe as well. We have never eaten there and want to give it a try. We have heard mixed reviews but want to try it for ourselves.
Tony's - We heard many terrible things about Tony's, but decided to try it anyway. We had a good meal there and we would go there again. I think you have to take the negative reviews with a grain of salt and try things for yourself. That's not to say that the bad reviews don't have merit, but it's not always the same for everyone.