The ever-optimistic National Association of Realtors (NAR) believes the worst housing downturn since the Great Depression is almost over.

Other housing organizations aren't nearly as effusive. So whether the 1.1 million-member NAR knows something the others don't or it is caught up in the fantasy that is part and parcel to the Disneyland experience remains to be seen. But either way, it said that price appreciation will return to the moribund housing market in 2012.

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