Well, im asuming your from america. Here's a few, from Newegg...
http://www.newegg.com/Product/Product.aspx?Item=N82E16817145133
http://www.newegg.com/Product/Product.aspx?Item=N82E16817163046
http://www.newegg.com/Product/Product.aspx?Item=N82E16817106091 <-- Look's the nicest, so will proberbly go with his mac ^^
http://www.newegg.com/Product/Product.aspx?Item=N82E16817145133
http://www.newegg.com/Product/Product.aspx?Item=N82E16817163046
http://www.newegg.com/Product/Product.aspx?Item=N82E16817106091 <-- Look's the nicest, so will proberbly go with his mac ^^