Computer for watching movies with a 400 dollar budget

I would like to build a computer to watch movies and maybe some light gaming (Minecraft, Morrowind, etc).





Approximate Purchase Date: Any time. The sooner the better.

Budget Range: 400. Can go to 500, but the lower the better.

System Usage from Most to Least Important: Watching Netflix/Movies at 1080p, light gaming.

Parts Not Required: Monitor.

Preferred Website(s) for Parts: Newegg, eBay, TigerDirect, NCIX

Country: United States

Parts Preferences: Maybe an AMD APU.

Overclocking: No

SLI or Crossfire: No

Monitor Resolution: 1920x1080

Additional Comments: I'd prefer that it be very compact and quiet.