HTPC - New Build (STREAMING/EMULATOR)

[fordyce]

Approximate Purchase Date: Within a month
Budget Range: Whatever it takes
System Usage from Most to Least Important: Streaming media from NAS, old console gaming
Are you buying a monitor: No, hooking up to TV
Parts to Upgrade: None, all new
Do you need to buy OS: No
Preferred Website for Parts: Newegg but open to whatever
Location: Omaha, NE
Parts Preferences: None
Overclocking: If needed (doubt it)
SLI or Crossfire: If needed (doubt it)
Your monitor Resolution: 1920×1080
Additional Comments: Needs to be quiet and will be on 24x7. NAS available for media storage so local isn’t needed except for OS and ROMS/Emulators. 7.1 surround sound needed, digital output requested for receiver. Blu-Ray player needed for watching physical media.
Why are you upgrading: Currently swapping out consoles as needed and hooking the laptop up to stream from Plex server.

 

[fordyce]

PCPartPicker part list: http://pcpartpicker.com/p/2mK1c

CPU: AMD Athlon II X4 750K 3.4GHz Quad-Core Processor ($80.97 @ OutletPC)
Motherboard: ASRock FM2A75M PRO4+ Micro ATX FM2+ Motherboard ($81.98 @ SuperBiiz)
Memory: G.Skill Sniper Series 8GB (2 x 4GB) DDR3-1866 Memory ($68.00 @ Newegg)
Storage: Sandisk 128GB 2.5" Solid State Disk ($69.99 @ TigerDirect)
Video Card: Asus Radeon R9 270 2GB Video Card ($183.98 @ Newegg)
Case: Silverstone SST-GD05B-USB3.0 (Black) HTPC Case ($90.99 @ Newegg)
Power Supply: Corsair CX 430W 80+ Bronze Certified Semi-Modular ATX Power Supply ($29.99 @ Newegg)
Optical Drive: Pioneer BDC-207DBK Blu-Ray Reader, DVD/CD Writer ($49.98 @ OutletPC)
Keyboard: Logitech K400 Wireless Slim Keyboard w/Touchpad ($19.99 @ Amazon)
Total: $675.87

Here is what I came up with. Let me know what is underpowered (PSU?) or overkill (GPU?). Thanks for any help.