http://www.usbyte.com/common/dvd_to_vhs.htm
as far as i know all tapes that have copy protection use macrovision.
heres one i saw
http://www.studio1productions.com/copymaster.htm
its a hundred busks though
http://www.220-electronics.com/dvd/copyenhancer.htm
hm... ill have to see my uncle bought one to copy dvd to vhs, i would assume it should work the opposite way too/../