InfoWeek has an interesting article about the open-source future - What Linux Will Look Like In 2012:
Our open source expert foresees the future of Linux: By 2012 the OS will have matured into three basic usage models. Web-based apps rule, virtualization is a breeze, and command-line hacking for basic system configuration is a thing of the past.
I don't know about others but I'm using Linux desktop since 1999 and it won't change in 2012. May be it will be look like ;)