You push your way through a crowd of awestruck window shoppers to gawk at the polished beater bats, broomsticks and various books on Quidditch history and techniques. Everything looks so pristine and so dang shiny! There's a whole wall of collectable snitches from famous matches, even one from the World Cup finale some years ago ("request price at front desk").
You check your pockets, you have a few galeons to treat yourself with. What do you buy?