Overall good news. I sent videos of the headstock runout to Nova, and they promptly sent out a brand new headstock assembly/motor. The new one is now installed and performs as expected.
The bed, however, is an other issue. They acknowledged that the level of damage was clearly not ok, but according to them they will not have replacement ones available until later in the summer due to supply chain stuff. So I'm just going to go ahead and put it to use and maybe later this year deal with the swap. In truth it's not that big a deal to me at this point after going through so much hassle with the headstock -- the current bed will work fine now that I've smoothed out some of the rough spots.
Question on chucks:
I used a Oneway Talon chuck for years with my mini lathe, and was very happy with it, though never had to work with anything other than the #2 jaws or place any kind of stress on it due to the small size of my machine.
Decided to get a Nova Supernova2 chuck, and will probably be adding additional jaws to do some larger bowl work, which is the main reason why I decided to get a larger machine with outboard turning capability.
The Superbnnova2 says it's rated for up to a 16" swing, which is what the Galaxi is over the bed. But what about when I do outboard turning of larger diameter bowls (up to 29" if I want!)? Is it worth it instead to get something like the larger
Titan III chuck, rated for 24" swing lathes (which threads directly on the 1 1/4 x 8 spindle, instead of requiring an adapter/insert)? Is there a disadvantage to using this kind of larger chuck for smaller work, if I were only to work with a single chuck?