Linux is good and getting better all the time. But remember, switching to linux does involve learning a new operating system and user interface. It's not the easiest thing in the world to do.
BTW, if you do switch to Linux, I suggest you still keep Windows around if you want to play any games. Most games still aren't built to run on Linux. It's true that there are Windows emulators that will allow some games to run on linux even though they weren't built for it. However, because it's emulated, you will often see a big performance hit.
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