Suggested feature: I would like to be able to click on a book and see how many have sold recently and at what price. As an example: Click on Showcase #55 and see sale dates and the prices it went for. What do you all think? 

Yup. ComicCollectorLive has this feature on their website. Anyone can go in and see past sales, at each grade. What I don't like is they don't give you the actual sale date; which we all know plays a huge role. Just because a book sold 2 years ago for $100 does not mean its worth $100 today. Seems like a pretty basic feature to add as my guess is Atomic Ave keeps track of the sales date, grade and price paid. Would be nice if they went a step further and prorated any shipping and taxes paid by the buyer and applied to the order so we can see the real price.