Buy some good, vintage chisels. You'll be extremely impressed with how sharp an edge they can take. Edge retention shouldn't be an issue, as you should be honing your chisels frequently, a couple of passes on a finishing stone quite often throughout the work process. Your work will be easier and your chisels will stay sharper, longer. When the modern steel edges fail (finally), they really fail and you've got more work to do, honing with coarser grits to start. Plus, you'll be using a chisel that isn't as sharp as it could / should be for longer, waiting for the edge to fail. Read Adam Cherubini's new column in the latest PW. He'll tell you all about it.
Your endgrain is like your bellybutton. Yes, I know you have it. No, I don't want to see it.