Not all consoles, But these two consoles have been out for 5 years. That means they're near the end of their run. Next gen cant be too far away. Take a look at how long consoles usually run for and it certainly isn't 5 years!
As for blu-ray, ironically PS3 is helping lead to its demise by being able to watch content off the machine itself. As well as xbox360 with netflix combined with illegal downloading, PPV movies and itunes is slaughtering the DVD and blu-ray market. Just ask blockbuster how they're doing these days! Given the speed at which blockbuster went from booming to bankrupt says that the average consumer isn't going out and renting movies anymore. Why buy a clunky expensive scratch-able disc when I can get movies without leaving the house on my tv, ps3, xbox, computer, or phone?