I use it myself. It's such an awesome case for the price. It's got a dust filter in the front, a 120mm and 140mm rear/top exhaust. And can fit 3 more 120mm fans on the side and two in the front. Also the fans that come included, have a speed control with it.
What about from here?
Antec 300 Three Hundred Ultimate Gaming Case - Black (No PSU)
Sell your old case.