I've been to one in Oregon. I think it depends on the type of movie you are going to see. If it's something fun, it works great. If it's more serious, and you have to pay attention more, I wound up either eating and not watching or watching and not eating.
"Is ice hockey hard? I don't know, you tell me. We need to have the strength and power of a football player, the stamina of a marathon runner and the concentration of a brain surgeon. But, we need to put all this together while moving at high speeds on a cold and slippery surface while 5 other guys use clubs to try and kill us. Oh, yeah, did I mention that this whole time we're standing on blades 1/8 of an inch thick. Is ice hockey hard? I don't know, you tell me. Next question."