When it comes to old PPVs, pawn shops, garages sales, and flea markets are your best friends. Also, some of the old independant video stores may sell them. There's one in my ex girlfriend's old neighbourhood that rents them or sells them, along with dusty old NES games, too. Yes, seriously.
To be honest, I didn't remember that. But, I do remember the time HHH lost his European Championship to Owen Hart when HHH sent out Goldust with a big fake nose to replace him vs. Owen. Owen pinned Goldust and Sgt.