We had a really nice training session a little over a week ago to learn
about using the
The training provided an excellent start to filtering (limited the sample based on values of different variable), recoding values, and creating new variables. You can do a lot without having a statistical software package on your own computer.
Of course, the PUMS have very limited geography, but the benefit is that you can use many different variables in your table definition. You are not limited to the tables pre-defined by the Census Bureau.
I had only a limited number of slots for the April 16 session, but Gary Thomas at TTI recorded the session for us: here is the link.
FHWA Office of Planning