The ROM image is here:
http://www.la.viewsonic.com/support/drivers/drivers.cfm?type_key=6&product=56889&formName=product&os_key=8
Use the "Communicator" image.
As for the modified bootloader, check with the members who posted it originally. I believe one or more of them may still have it and can upload it again.
Edited by CE Geek 2009-11-08 3:43 PM