Holliday turned down a five year deal worth 85 million dollars from the Rockies last season, and his price has definitely fallen as the economic problems are still up in the air. Holliday is 29, and could probably sign a 5-6 year deal if he puts up another good season. So far in Oakland, he is hitting just .242 with 0 HR in 66 at-bats.
It is possible the Athletics will trade Holliday if they fall out of contention early. A small market team in need of an impact player could pursue Holliday. He would bring a powerful bat to the lineup, not to mention two drafts picks if he is Type-A free agent in 2010 MLB Draft. The Marlins could be that team. They nearly acquired Manny Ramirez last season at the trade deadline, and still have the pieces to pull of a blockbuster without significantly impacting them long term.