Concordia was Registered with Barbados Maritime Registry.
The official report will be from them.
I would expect it to take a while.

BARBADOS MARITIME

CENTRAL SHIP REGISTRY

c/o BARBADOS HIGH COMMISSION

1 GREAT RUSSELL STREET

LONDON WC1B 3ND

TEL 44 (0)207 636 5739

FAX 44 (0)207 636 5745

Email : registry@barbadosmaritime.com

Canada will be conducting a parallel inquiry as well as assisting the Barbados inquiry.
http://www.tsb.gc.ca/eng/medias-media/communiques/marine/2010/comm_m10f0003.asp

If you look at the Transportation Safety Board web page you will notice the most recently published marine reports are from 2008.
They are much more timely about aircraft reports.