Well dual booting would be a good idea but i use Ubuntu and i have to agree it is very nice and isnt like windows, but has some similar features. Im not sure how it is with gaming b/c i dont play PC games. Would any members like to comment on the gaming experiance with linux distro's ? but yes, Ubuntu is great for beginners and also for advanced people. I would however stick with XP for something since you saif your a
"n00b" at this stuff. Or vista or w/e your using now.

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What is a physical body. The body is merely an object. It is a form of existence far too impure to store the gods within us called souls. Now you will remember. The bloodstained history. Material desire. Hunger. Sexual Drive. Desire to dominate. Desire for fame. Humanity. As long as there is a body, desires will be born. The human ego will never disappear as long as desire remains present. Humans will continue to fight to fulfill their bodies desires and it will never end. At this rate there is no future.