This is a great idea and a deck that more people should look at. First, it's a wonderful, hands on way to advertise various decks. There were cards in this deck I didn't know were out there that are now on my 'to buy' list. It also lets you both see and feel the cards. Several cards that were in this deck looked much better than the pictures on various sites make them look and I was able to see up close the quality of cards from several decks I was unfamiliar with.
Plus, it's a great way to add to your gaff card collection. A number of the cards in this deck went into decks I already owned to use for various card tricks. The others I intend to use for one off card tricks here and there where presenting a card that's different from the deck you're working with can give the presentation of the finale a little extra punch. And then my kids like some of the cards from these decks and add them to a deck to make up their own games.
All in all, just a great little investment where no card feels like a waste. Well worth the price.