I like to bring out the fancy stuff to make my players ooohh and aaahh. Generally do that at tournament time, when more players are around. For the regular game I generally just use the same deck of Piatniks, as they are a very durable card, and I have an orphan deck. The Da Vincis with their bright pastels were a big hit, but a little difficult to differentiate quickly. I have use my Platinum Acetates a couple times with more experienced players who might appreciate them more. A couple decks will never see play, like my Torcello Blancos from Dal Negro. I just bought them because of the oddity of an all white card back.