japanese maple cultivar experience

I'm interested in your experience with cultivars of everything commonly described as a Japanese maple, regarding their disease resistence. I could not find anything on this topic beyond throwaway comments Especially curious what people say who had multiple cultivars, over several years, and...

I have a Sango Kaku Japanese maple (first year, not much experience) and Im wondering how it compares to Winter flame, which is another red wood winter interest JM with similar leaves. However, Winter flame is more or less a dwarf variety not usually exceeding 8 feet tall. My main question is...

I had some bad experience with Osakazuki and I want to avoid ordering cultivars with similar leathery leaves etc. ( I have thrown mine away so no pictures). But since I order online I may notice too late. So Im asking what other cultivars do you know of that are closely related to Osakazuki...