Chas, you mentioned your ideal would be a wood lathe headstock with a metal lathe bed, from what I could gather. You could try doing what I have done which is to get a spare spindle, in my case from a graduate, and hold it in the chuck of my metal lathe ( Colchester Master). My Axminster evolution chuck then can be used on the graduate or colchester, without removing the work if need be. I haven't used the colchester set up for actual wood turning yet, but for drilling end grain it works great. I have the rigidity of the colchester bed, plus a 3HP motor driving through a gearbox with speeds down to about 50 rpm.
I bought the spare spindle because it was cheap and I thought it might come in handy - I didn't have my colchester then. Of course, you could always cut a suitable thread yourself.
Back to my original theme - is the Hamlet / Axminster premium bowl gouge deep fluted?
K