The Addtronics W8500 is a big case with 8 spots for fans, it comes with a 300 or 400 watt PS.
It doesn't have a spot for a second PS though.
It is an awesome case. Check it out Here
Edit: Oh yah... It has 5 external 5 1/4, 5 internal 3 1/2, and 1 external 3 1/2