NEW: Clusters in West Jackson 2-bed, 1,008-square-foot townhouse built in 1976, listed by Jackson Hole Sothebys international Realty for $1.15 million. NEW: Aspens 2-bed, 982-square-foot condo built in 1977, listed by Jackson Hole Sotheby's International Realty for $1.325 million. NEW: Clarks Knoll near Snow King 3-bed, 1,624-square-foot townhouse built in 1995, listed by Jackson Hole Sotheby's...