I think you guys are confusing "life cycle" with "market life". The successor to the PS2 was released six years after its launch, so it had a life cycle of six years even if its market life is still going. When people talk about the current systems having a ten-year life cycle, they mean the successor to these systems won't be released until about ten years after the current systems launched. I don't know if it will be that long but it is looking like it will be longer than the 4-6 years that previous systems had. The XBox 360 launched four years after the original XBox, and if Microsoft wanted to keep with that they'd be launching a new system this November. So at least Microsoft is shooting for a longer life cycle and there's no indication that the other two companies will be launching a new system any time soon.