Thomas,
Here are three links you can try, if you haven't done so already.
English-America: The Voyages, Vessels, People, & Places
http://english-america.com/(English-America recommended by Family Tree magazine)
Olive Tree
http://olivetreegenealogy.com/ships/searchvaships.shtmlFinding Passenger Lists Before 1820
http://home.att.net/~wee-monster/1820.html#virginiaIf these don't help, contact the reference department of your local library or university for their recommendations and suggestions.
Good luck!
Kathleen