I have found that the Vicmarc jaws seem to offer something for everything I have needed. they aren't cheap though, particularly in the uk. might be cheaper to buy from Timberbits in Australia and pay the import charges.
Never owned anything made by Vicmarc...unfortunately. I know the Record Power SC series jaws and Nova Jaws are compatible with each other and the Patriot chucks. So, going on what Peter said, there is a chance Nova and the current RP jaws might be ok.
@Adam W. I've picked up various jaws & a couple of chucks since getting my VL100 lathe. It took some investigations to establish that the old RP4000 chucks were made by Vicmarc, the main issue is that most were direct threaded. I've now treated myself to a new VM100 that has a threaded insert. Interestingly the VL100 lathes were made with different threads, all makes for a interesting challenge !!