Oh that's very cool! I have a mailing list signup on the ukiyo-e.org home page, I'll send out a message there once it's ready for testing! I've posted some screenshots on Reddit that show some of the price comparison features: https://www.reddit.com/r/ukiyoe/comments/1p6c4lb/comment/nqp... https://www.reddit.com/r/ukiyoe/comments/1pjw8br/comment/nti...