Thanks. Based on that and the other responses, I'll stay with the 32lb wing. And thanks to everyone who commented, I'm always learning.Follow your gut -- 32lbs is plenty.
I use a single wing for all of my single-tank diving: 32lb. Works well in a drysuit, thick wetsuit, thin wetsuit, or just a T-shirt and shorts
To Eric's point here, yes, if you are putting all of your ballast on your rig and you have a very heavy single tank, maybe 32lb is not sufficient. But I will say that putting that much ballast on the rig is not the easiest way to do it, at all. Your goddamn rig will weigh like 80 lbs! Much easier to put your lead on a belt, use a stainless backplate for some ballast, and maybe like 2-6 lbs lead into pouches on the rig to help you trim out, if needed. Safer for your back on shore, and safer in some (admittedly uncommon) situations in the water as well
When the wing comes in, I'll do a LOT of shakedown dives and put myself in different situations to see how the buoyancy and everything else works out. I'll also see how it feels walking on land as well based on your comments.