changing email address with xbox live!

ok, here is my delimma. I have a new email designed for video game information, this is where all of my info on gaming sites comes to. I am recieving xbox live information to an email address that i do not want to recieve it from. can i change the email address i recieve information from without my gamerscore and saved games getting eraced?!?! i know i can;t change my windows id log in email address or the email address associated with xbox live but i just want all xbox live info to go to my new email address! can someone help me?!changing email address with xbox live!
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