I would add to Bill's comments and suggest that if you need to generate 8,000 vector-based images out of Corel, you can automate the process of opening, saving, and closing the Corel drawings using WinBatch: http://www.winbatch.com/
WinBatch is an event-driven scripting language that can automate repetitive tasks in most Windows applications and is an ideal choice for programs that do not provide an API. You could then write a simple script in the FrameScript language that updates the pathnames of all your imported graphics to recognize the new file extension, replacing *.png with *.eps for example. Best regards, Martin Martin R. Smith President: GolehTek, LLC www.golehtek.com
