I was doing some shopping and find that most PSU have a top mounted fan, does that mean i need to buy a new case if i'm currently using a PSU wih a rear mounted fan and want to plug and play a new PSU.
here is an example: http://www.newegg.com/Product/Product.aspx?Item=N82E16817139028
here is an example: http://www.newegg.com/Product/Product.aspx?Item=N82E16817139028