Silver Cross, Baby Jogger, Cosatto or Stokke: which new travel system pushchair should you buy?

Top brands including Silver Cross, Baby Jogger, Stokke and Cosatto have all bought out new travel system prams, but which should you invest in? We look at the Stokke Xplory 6, Silver Cross Jet, Cosatto Giggle Mix and Baby Jogger City Tour Lux and reveal the pros and cons of each 3 in 1 pushchair.