I’ve never been to Isotope Comics in SF, but I’ve heard about it from many different places. Owner James Sime has created a shop that caters to comic fans and promotes a community, not a run in, get your books and leave type shop.
Just look at the amount of light in this photo. Have you even seen that much light in your average comic shop?
The reason this photo is the best and proves that Isotope is tops. Parent and kid reading a comic together in the shop. That’s perfect.