The thing is, there are so many better radios out there for about the same price. There are endless Icom R71a's out there, probably more of them than any other receiver made from that era, I've had at least 10 of them, from dinged up messes, to mint ones that I only sold because I needed cash. My last one had a failed power supply, and a $25 Ebay one got it going again. The 71a's seem to hold up the best of all the older solid state receivers. Yeah, they have the battery thing that costs about $90 to eliminate, and if you run it on 115V you're going to have to recap it sooner than if it's run on 12V, but there are cap kits on Ebay to solve those issues too. No support exists for the DX-1000, and some parts are only available by cannibalizing another DX-1000. Same kind of goes for the R71a, but since there are so many of them, it's much easier to find them.
Oh, it IS possible, and not all that hard, to make an R71a sound decent on AM. There is a simple mod that changes the current to the AM detector and after it's made, the distortion is much reduced and the pumping S-Meter with modulation is mostly eliminated too. Costs about a dollar and an hour or so. Not a job for the chicken hearted though. A friend of mine had the vapors when he saw his precious radio taken apart when I did the mod for him. He sure was happy with the results!