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Well, if you like the 6/8 full hollow, then my advice would be to stick with something similar unless there is a particular shape/grind that catches your eye. If it ain't broke, and all that. :)
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How big is the one you have? I.e. its width from edge to spine?

Are you comfortable with that size? Or do you think you would prefer something larger or smaller?

How about its weight? Is it...

By barbers point, do you mean a barber's notch? If so, you might want to keep an eye out for a restored vintage blade. I'll happily stand to be corrected, but I can't think off-hand of many current...