Mine would be an ASH1

I know it's blasphemy but there's a steel called unimax which seems to be interesting.
Toughness of 350J <img src="/ubbthreads/images/graemlins/ooo.gif" alt="" /> at 59HRC with relative good edge holding.
I can't help I'm always looking for new stuff <img src="/ubbthreads/images/graemlins/blush.gif" alt="" />