I already knew the pressure sensitivity was considered one, but was a reasonable tradeoff for price. But now I seem to have stumbled into another one I didn't notice before. The actual board resolution. In most activity it's not that big a deal. But apparently if you're doing something on a canvas that's bigger than 2000px or so for a given dimension, and then zoom out to do some drawing that covers a large area, when zooming back in - lines that aren't perfectly vertical or horizontal get this stepped or zigzag behavior. Which is like alaising jaggies, but from a hardware input. Takes a bit of work to go in closer to clean up the lines, and this problem typically isn't one when zoomed in or working on smaller images. For now it's something I just have to be aware of, and didn't notice before. Maybe I just need to use paths, which I understand and am completely able to use - but I was being lazy.