The Census now has variance replicate estimates for certain ACS tables.  This is intended to improve certain derived MOE's.  I'm looking forward to testing it out. 

http://www2.census.gov/programs-surveys/acs/replicate_estimates/2014/

Mara Kaminowitz, GISP
GIS Coordinator
.........................................................................
Baltimore Metropolitan Council
Offices @ McHenry Row
1500 Whetstone Way
Suite 300
Baltimore, MD  21230
410-732-0500 ext. 1030
mkaminowitz@baltometro.org
www.baltometro.org