No longer the preserve of Peter Jones, check listings magazines for these monthly events with up to 80 per cent off. This Saturday 10am-7pm and Sunday 10am-4pm, The Music Room, 26 South Molton Lane, W1 will be selling women's and menswear by designers Diane von Furstenberg, Gucci, Prada, Marc Jacobs, Martin Margiela, Dolce & Gabbana, Chloe, Alexander McQueen, Miu Miu and MaxMara.