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I wish you luck, but I can't make you any promises. As of now, all 5 of them are wishlisted in hardcover, so it may be kind of hard to find a 2/1 (or more) deal. Any that get posted will be gobbled up by the wishers right away.
I did just get them all earlier this year through PBS (no deal, just the standard one credit each), but I had to wait in the wishlist lines. The wait wasn't more than about a month for me, though, so it's not too terribly long of a wait if you just want to add them into your wishlist. (Of course, it seemed like forever to me, at the time.) :)