i had the same problem when i had my 360(trade it in and got me a ps3 and i am happier

)
i went to gamestop and got me a cooler, it helped alot..
http://www.gamestop.com/Catalog/Prod...oduct_id=42729
or wanna try watercooling :
http://www.xoxide.com/koolance-kit-xb360bk-sys.html its more on $$$$ side though..
well they do have in their system, if the 360 under your name, just bring a photo id.