I got my 360 elite in 2007 and it only failed the day Mass Effect 2 came out (Crashed during gameplay) and due to the error being an E74 error I had it fixed for free and no problems since.
So in all I have had the 1st 360 I ever owned.
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I'm on Xbox #3 but none of them crashed or broke. I just simply got a new one. I had the 360 pro until 2010. Then I got the Halo Reach LE Xbox with legendary edition. Then in 2012 I got the Halo 4 LE Xbox (The biggest mistake, I know.) The xbox itself is awesome but Halo 4 doesn't deserve it. FOTUS is cool too.