The brand new 1700€+ 1080p 17" Dell XPSes around me at work barely manage to get 2h idling. For my colleagues it's basically an embedded UPS, while my MacBook P

The brand new 1700€+ 1080p 17" Dell XPSes around me at work barely manage to get 2h idling. For my colleagues it's basically an embedded UPS, while my MacBook Pro still handles 5+ hours after three years. Like my MBP, Retina Macs still have 7 hours of battery, so I don't see the landscape changing much: many laptops, retina-class or not, cheap or not, will get crappy battery life, and a few will get it right.