Million-dollar ZIPs: 4 ZIPs with priciest homes

  Slice Price Ch. Sold Ch. House $445,000 -5% 1,562 -3% Condo $260,000 -5% 733 +1.0% New $603,500 +31% 184 -27% All OC $400,000 -2% 2,479 -4%           For the 22 business days ending Jan. 11 -- DataQuick's freshest stats --...