Dell's Alienware gaming laptops can be a very mixed bag. With an almost ridiculously huge range of models available, there's always going to be some chaff that needs to be separated from the (admittedly more plentiful) wheat. Thankfully, the new Alienware M15 R7 sits firmly in the cereal grain category - a well-rounded 1080p gaming machine with a shiny 12th-gen Intel processor at its core.