I'm thinking of buying this one:
It has spots for 6 case fans, and is only 43 bucks, and at least two of the fan spots have filters already. plus it has 2 usb2.0, headphone, lineout, and IEEE1394 on the top near the 6th fan vent. plus it opens up, and it still has one bay that doesn't mean opening the case to get to it.
I already bought a 450W power supply this week for 50 bucks shipped. so that's shibby. I'd get Lian Li, or Cooler Master.... but it's all just extra money to spend for something that'll function just as well.