Depends on what you are doing. If you are going to only use your build for web browsing, video watching, and occasional word use then yes. If you're going to be playing video games such as MW3, BF3, Skyrim, SWTOR, then No.
If you aren't using your computer for a windows only application, then Linux is right for you. Ubuntu linux is a great Linux distro and has a sweet GUI. Ubuntu has lots of features such as Chrome, Firefox, Libreoffice, and Java, which means you can play minecraft