Have you had a look at what the Hope brothers have to offer?
https://hopewoodturning.co.uk/lathes/ks-lathes/?p=1
For a "lifetime" lathe I would want -
1. Swivel head for outrig work.
2. At least 3hp.
3. All the other bells & whistles.
Also consider Rikon, Jet and Nova.
Good luck.