I'm a meat-eater, but I once went to a restaurant in Manhattan that served "chicken" burritos made with seitan in lieu of chicken. I have to admit, I was pleasantly surprised. I didn't really notice much of a difference. Of course, it could have been because it was Mexican food and I was huunnnngry.
I've also eaten tofu cheesecake before. Unfortunately, I wasn't so impressed this time. It was sweet, but it had a wang to it that you could tell just wasn't cheese.
Based on my experiences, tofu usually doesn't taste like much of anything on its own. When mixed with other things, it'll taste like whatever it's mixed with. The consistency is usually pretty mushy, though. That might put some people off. Not all tofu is alike, though. Apparently, people in Hong Kong like theirs stinky