This came out today from the Census Bureau for the media...
Summary File 3 (SF3): Census 2000
Contains detailed sample data, which is the information compiled from
the questions asked on the census long-form questionnaire. Population
items include social, economic and housing characteristics. There are
813 unique tables 484 population tables and 329 housing tables.
Geography runs from the national level down to block groups and census
tract levels. These data will be released on a flow-basis from the end
of June through September 2002. The first state scheduled for release is
Vermont. (Tentatively scheduled for release in two weeks.)