Just been told we have to go with PCWORLD.
Closest I can find is:
http://www.pcworld.co.uk/gbuk/computing/laptops/laptops/lenovo-z50-15-6-laptop-white-10132940-pdt.html
1080p screen, and about an equiv processor and equiv iGPU compared to the 820m.
Are you sure about shogun 2? It ran on an i3...