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I couldn't find the Cal Spa but I wonder who would pay $7,500 for the Infinity Vista model?http://www.costco.com/Browse/Product.aspx?Prodid=11186885&search=spa&Sp=S&Mo=64&cm_re=1-_-Top_Left_Nav-_-Top_search&Nr=P_CatalogName:BC&Ns=P_Price|1||P_SignDesc1&N=0&whse=BC&Dx=mode+matchallpartial&Ntk=All&Dr=P_CatalogName:BC&Ne=4000000&D=spa&Ntt=spa&No=0&Ntx=mode+matchallpartial&Nty=1&topnav=&s=1