17"LCD
I'm going to be getting the above cpu n ram n mobo
http://www.newegg.com/Product/Product.aspx?Item=N82E16819103249
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128379
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231166
this case-http://www.blogcdn.com/www.engadget.com/media/2007/04/emht5226.png.jpg
You will want to move to a bigger case. These parts will need a good amount of circulation to keep things cool.