Pc north chipsets?

[m7i7k7e7]

Pc north chipsets cooler. what one you think is the best. thanks for your help. if you find one better then the one you see let me know. thanks......you http://www.newegg.com/Product/Product.aspx?Item=N82E16835116018

http://www.newegg.com/Product/Product.aspx?Item=N82E16835108072

http://cgi.ebay.com/Thermaltake-A1899-north-south-bridge-chipsets-cooler_W0QQitemZ300193785562QQihZ020QQcategoryZ80151QQtcZphotoQQcmdZViewItem

help me out thanks........