The prototype national QWI data series developed and maintained by John Abowd and Lars Vilhuber have been updated with the R2009Q4 QWI data release by the Census Bureau, and now go through 2008Q4.
These data now go into the the first quarters of the 2008-2010 recession, as evidenced by some of the graphs:
For more details, access to the latest version of the paper and to the data underlying the paper, please go to http://www.vrdc.cornell.edu/news/data/qwi-national-data/.