With many thanks to Vadim at Percona for his analysis of different capabilities of different columnar dbms. Definitely good information, and well documented.  Queries and results available at:

http://www.mysqlperformanceblog.com/2009/11/02/air-traffic-queries-in-infinidb-early-alpha/

Of course InfiniDB, does offer multi-threaded processing for all offerings and distributed prRead More...