"http://online.wsj.com/article/SB1000142405311190471660457654...Last year, Kelley and Jeff Barton bought their first vacation retreat in Mammoth Lakes, Calif., a ski-resort area about 350 miles from their home in Seal Beach, Calif.At $200,000, the condo unit was a bargain considering it had been priced at more than $400,000 in the past, says Ms. Barton, 52." . . . .