ADDITION 18.17 (GMT+1): According to nu.nl all testflights with the Dreamliner will be postponed till the cause for this is foundLAREDO - Dreamliner 787 ZA002 had to land in Laredo, Texas after smoke in the cockpit. About 30 to 40 technicians from Boeing on board, but no injuries.
http://www.nu.nl/economie/2375975/boein ... liner.html
EDIT More additional info from nu.nl
Grtz, John