UKGamer has posted a review on the Powercase Oblivion, which is a pre-modified case with 4 120mm blow holes.
One problem with making blow holes is that they are generally not the easiest thing to do. You need specific equipment, such as hole/circular cutters (which cut through metal), a very steady pair of hands and practise. If you are like me and can´t spare the time or the effort (and don´t have a very steady pair of hands), you can now buy a pre-modified case. This is where the Powercase Oblivion steps in.Read more