Cyberhome CH-DVD 300 plays all DVDs and converts them from PAL to NTSC if needed. I do not know how good of a trasport it would make. For price of $30 it's worth to have just for watching DVDs from other parts of world.
http://www.cyberhome.com/products.asp?Product=300
http://www.videohelp.com/dvdhacks.php?select=Cyberhome+CH-DVD+300
http://www.cyberhome.com/products.asp?Product=300
http://www.videohelp.com/dvdhacks.php?select=Cyberhome+CH-DVD+300