Help on a system build???

[Spirit289]

I am building a new system and I would like some input. I still have not decided on a PSU or a cooler for my processor. Any help is appriciated.

My Goal: Silence, temperture controll and great gaming capability

MSI K8N Neo4 Platinum
AMD Athlon 64 3200+ Winchester
2x Crucial PC3200
Gigabyte GeForce 6600GT
Maxtor MaXLine III 250GB 16mb cache
Antec P180 Case
PSU ???
CPU Cooler ???

Am I missinig anything?