Here's what I am doing
The build from pcpartpicker
PCPartPicker part list / Price breakdown by merchant
CPU: Intel Core i5-4590 3.3GHz Quad-Core Processor ($194.99 @ NCIX US)
Motherboard: ASRock H97M-ITX/AC Mini ITX LGA1150 Motherboard ($82.98 @ Newegg)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($82.99 @ Newegg)
Storage: Crucial MX100 256GB 2.5" Solid State Drive ($109.99 @ Micro Center)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($53.98 @ OutletPC)
Case: Silverstone ML07B HTPC Case ($59.99 @ Amazon)
Power Supply: Silverstone Strider Gold 450W 80+ Gold Certified Fully-Modular SFX Power Supply ($87.99 @ NCIX US)
Keyboard: Logitech Wireless Combo MK270 Wireless Standard Keyboard w/Optical Mouse ($20.99 @ Amazon)
Total: $693.90
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-10-09 09:43 EDT-0400
I'll pick the GTX970 when I can get it.
http://www.tomshardware.com/forum/id-2328703/build-log-mini-itx-middle-school.html
I'm using a Silverstone ML07 case.