here you have some more on dvdburning.
i use this with knoppix, atleast when i help others that have usb capable computers.
http://fy.chalmers.se/~appro/linux/DVD+RW/
why usb? that is because i still have a external usb2 dvd+-r/rw writer, sadly my p100 has no usb, and i have not found any working "16bit pcmcia" usb card, if i had i would buy it asap, even at 30euros.