Last week was a big week for news about the housing bubble and the quarterly House Price Index (HPI) report of the Office of Federal Housing Enterprise Oversight (OFHEO) released on March 1 was a good deal more optimistic about price growth than were the Census Bureau and Department of Housing and Urban Development joint report on new home sales and the National Association of Realtors existing home sales report, both issued days earlier and both showing that sales and price increases are slowing down.