I have a custom large bladed chopper from Scott in A2, and I love it. It holds a good edge and is very easy to sharpen...usually just a little stropping on some green compound. The other day I had to give it about 4-5 passes a side on a fine diamond stone and then stropped to bring it back to hair popping. And it is tough! If you search his subforum for the "Scimitar" you'll see my initial testing of it and then some more batonning he and I did with it at his place.
I chopped through a really seasoned old fence post with it...sounded like rock the way the chips were plinking off, but no issues for the edge, and I've batonned it through some big knots without any issue. Also cross batonned it a few times just for the hell of it. Held up just fine.
The best part is that even for a 8 inch, 5/16s inch thick chopper, it will still cut like a dream. Scott knows how to put a good edge on this blades that will work well!