In a message dated 19/04/99 17:16:44 Eastern Daylight Time, roblwill(a)usaor.net writes: << My other question is if Optical disks are re-writable? I've talked to two people, and one of them says that Optical disks aren't re-writable, mangeto-optical disks are. The other person said that no optical disk is re-writable, and that only floptical disks are (isn't that a form of optical disk?) the type 3431 is rewritable. the 3363 is write once- read many.