I think what this guy ChrisGFX over at SciFi Meshes would be helpful for reference


He's making a CG model based on the 5ft ANH (but with ESB additional landing gear)
Its good to see all those parts in sharp detail, with no paint & weathering (well at this point anyway)
link: http://www.scifi-meshes.com/forums/showthread.php?75906-Star-Wars-The-Millennium-Falcon/page19
J