Another great choice is the Fractal Design Define R5, if you like the clean, minimalist look:
PCPartPicker part list:
http://pcpartpicker.com/p/RdXHrH
Price breakdown by merchant: http://pcpartpicker.com/p/RdXHrH/by_merchant/
Case: Fractal Design Define R5 (Black) ATX Mid Tower Case ($99.99 @ Newegg)
Total: $99.99
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-07-14 22:05 EDT-0400