Chief among these may be how difficult it was to coordinate the many, many elements of SWTOR that were outsourced worldwide, everywhere from China to Russia to California and, of course, BioWare's cozy Canadian homestead. According to BioWare founder Greg Zeschuk, "coordinating it all is like teaching elephants to do ballet."
Another interesting note: the stories for each of the eight classes were inspired by different films. The smuggler, whose story involves his ship being stolen, follows in the footsteps of the John Carpenter classic, Big Trouble in Little China. You know what old Jack Burton says about lightsabers, right?