If you want to buy books, go sooner rather than waiting for deeper discounts. Those books go fast, and they don't care much about keeping the shelves in order, so it quickly becomes very hard to find the books you're looking for. (I learned this when the Borders by where I was living closed last year - whenever the first round of closings was.
It really hurts me to see them close. I shopped at the original store in Ann Arbor, Michigan back in the '70s, before it became a chain. It was such a wonderful store...