I wrote last week about Apple Watch accessibility, mostly pointing to the first hands-on articles written by VoiceOver users. Many of our questions have now been addressed. VO is part of the watch, and so are some low-vision features, including zoom and grayscale. But during the long few weeks between watch pre-orders and watch unboxings, uncertainty obviously remains. In the larger context, that’s the point of the in-store try-on program, right? You use some combination of wrist, fingers, ears, and eyes to assure yourself that this new gadget is a thing you want, and will actually be able to use.…