Would this be a good gaming computer?


Im trying to build a good gaming/multimedia computer. I was wondering if this would be a good one? Also if you have any better/cheaper suggestions for parts please go ahead and tell me. This would be my first attempt at building one.
Update: Why is the intel better than the AMD at 4.1ghz? I dont have a full understanding over these things so if you could elaborate more that would be greatly appreciated.
Update 2: Is that AMD Phenom II X4 965 Black 3.4GHz Quad-Core Processor better than the one i picked?
Update 3: http://pcpartpicker.com/user/rphilmacrac/saved/1QTS
or this one better?
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