Hi John, Happy New Year mate.
Yup I remember Brian's (Claymore's) post a while back, when he was more active on the Forum, before his wife died.
Actually, that little LED light is listed as a sewing machine light and I bought 2, one for the scroll saw and one for my wife (for her sewing machine). Although her machine is a substantial bit of kit, there's little metal to be "seen" anywhere near the working section (the whole case, etc, is some sort of plastic) so I now have a spare (I offered to set her up with a metal plate to "clamp the base of the light onto, but she wasn't happy with that solution, it got in the way and caught on the fabric, etc).
But the one on the scroll saw is a perfect addition to the magnifying lamp, and as you know, clamps very well indeed anywhere on the Exc 21 arm - at my age you just can't have too much light!
I also have a head band (non-illuminated) but only use that for really fine bits of metal work & marking out off my (glass) surface plate. Horses for courses indeed.
Re arm dropping, someone else on here had a problem with that, (was it you?) and I think it was kstano 83 who had a problem with noise on lower arm bearing. Apparently that's gone away now though.
I must say I haven't had either of those problems, but stress my machine is an original Excalibur, not the Axi version. Though they appear to be identical there MAY be some differences, I dunno. But my Manual shows both a list of spares AND an adjustment for keeping the arm up when you lift it. I did that adjustment once only and have had nothing to do there since, BUT please note, with mine, after lifting the arm all the way up it does drop an inch or so before coming to rest in the "almost fully up position" ( I guess I should call it)!
But if you want a scan of the spares listing for my machine, and/or of the adjustment for the top arm, just drop me a PM. Without checking I'm pretty sure my spares listing does include that ball bearing.
Must stop now as am off to the hospital in a mo (to see if I can get rid of this +"*ç%& back corset)! "That'll be the day"*!
HTH