The CPU cooler you choose (Freezer 64) is for AMD CPUs. The Freezer 7 Pro is the Intel version.
I've never used one, and I wouldn't, but Kingwin PSUs are alleged to be crap. Choose one from Antec, Corsair, PC Power & Cooling, Seasonic, OCZ, or Enermax. 550W-600W would be a good size for you.
If you buy a SATA optical drive, you won't need that wide, airflow-blocking IDE cable.