Dealspwn writes: With the news this week that Sleeping Dogs is to be re-released for the PS4 and Xbox One (and PC for that matter), the issue of old games being remastered for the new-gen consoles has again become a hot talking point among many gamers. Are they good value? Or a rip-off to fleece gamers who don’t have many titles to play on their shiny next-gen machines? Is there any point? Well, here are our five essential tips to help clear the waters a little.