Special Editions are the only way to buy games these days. In January I picked up the Mass Effect Collector's Edition off of Amazon. I sold the exclusive downloadable skin codes on eBay for a combined total of nearly $70, paying off the game and the additional physical content (steelbook case, artbook, mini comic, and making of dvd).
With the GoW 3: Ultimate Edition, I sold the downloadable skin codes on eBay for a combined total of nearly $50. Again, I am left with is the game and additional physical content (pandora's box and art book) for the price of what it would cost to buy the standard game.
If I choose to go ahead and sell the remaining physical content, It would be very easy for me to actually turn a profit.