Thanks for having me.
I'm Glenn, currently living in South Wales with two ravenous teenagers who seem only too willing to be my culinary laboratory subjects!
I'm a keen 'at home' cook - no connection to the industry except that my Father was a butcher who taught me to love food...
It might be worth having a word with Maksim at http://www.japanesenaturalstones.com/
Based on (some of) your requirements, I'd give this a serious look: http://www.japanesenaturalstones.com/itinomonn-kurouchi-240mm-wa-gyuto/
High quality carbon steel with good grinds, takes a great edge and...