Lian-Li PC60 is a very nice case, but I'm not familiar with the Wind Tunnel IV. Is that the one from CoolerGuys? I'll have to check.
As for the PSU, get an Enermax. The highest rated one you feel like dropping the cash on
<font color=orange>Quarter <font color=blue>Pounder</font color=blue> <font color=orange>Inside</font color=orange>