AIUI, MP is slightly more than just Michael, but no-one seems to be taking over parts supply, which is the big issue. Rebuilds can be carried out by other people or DIY, and the expert fork brazer is still working, so there's less of a problem with the labour side.
I have enough parts and spares for the foreseeable future but the risk is that, even in the last six months, good bikes will have been cannibalised rather than being restored, which was what MP was trying to address. I know I've done it.
Rear pivots are obtainable from other sellers and are generally fine, although I've sent a couple of bushes back because they weren't a proper press fit (they were replaced with good ones by the sellers). I may start making pivot kits myself, if I can get the bushes made economically. They are tricky because the nylon type shrink when press-fitted, so must be a few thou* oversize (ID and OD) before fitting.
*everything is imperial, of course
