Help finalizing my rig

The case should be pretty good for cooling with the 2 fans included (I think it comes with 2 fans). If your not going to OC, I have a similar build, but with a better GPU and the CPU should be just as good as the 4670k in games. I reused most of your parts, but obviously you can buy what you want.

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-4440 3.1GHz Quad-Core Processor ($179.99 @ Newegg)
Motherboard: ASRock Z87 Pro3 ATX LGA1150 Motherboard ($89.99 @ Newegg)
Memory: A-Data XPG V1.0 8GB (2 x 4GB) DDR3-1600 Memory ($68.99 @ Newegg)
Storage: Sandisk Ultra Plus 128GB 2.5" Solid State Drive ($69.99 @ Amazon)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($55.99 @ NCIX US)
Video Card: XFX Radeon R9 290 4GB Double Dissipation Video Card ($359.99 @ NCIX US)
Case: Corsair 200R ATX Mid Tower Case ($49.99 @ Newegg)
Power Supply: Corsair Builder 750W 80+ Bronze Certified ATX Power Supply ($69.99 @ NCIX US)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($16.99 @ Newegg)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) ($89.99 @ NCIX US)
Keyboard: Microsoft SIDEWINDER X4 Wired Gaming Keyboard ($50.95 @ Amazon)
Total: $1102.85
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-06-05 23:58 EDT-0400)
 
Fans are inexpensive ($7 -25). Just add them as you need to control the temperature inside your case. I would add an additional intake fan, and then see how the temperatures are after a week or two. If the idle temperatures of your motherboard and CPU are in the 27 -32 C range, then you probably have enough fans. I would stick to 4-pin fans that you can control from your motherboard. Also I would recommend quiet fans (<20 dBA) in the 1200 RPM range.
 


Yeah that sounds pretty good, but I think you meant <20 dBA, right? I usually only need 2 or 3 fans for most of my builds, but I don't usually OC much and I live in a mild temperature zone in the U.S., so your mileage may vary depending on where you live and how hot your room is at.