It would be good to know if parts are interchangeable. But I have seen very little information about the Laser XT out there. I have also been curious if there is any kind of expansion interface. (Any way to add an XT-IDE?) All of the photos I have seen just show a white bezel over the area where the 128 has the expansion slot. Even when these were new, a single-drive XT was a bit nuts. Would have been a good machine if 360k booters had stuck around.so from a comparison of a Laser XT and a Laser 128 photos, it seems, externally at least, the case and keyboards are identical. Can anyone verify?