Here's a build I have conjured up:
PCPartPicker part list / Price breakdown by merchant
| Type | Item | Price |
|---|---|---|
| CPU | Intel Core i5-4590 3.3GHz Quad-Core Processor | $183.99 @ SuperBiiz |
| Motherboard | Asus Z97-A ATX LGA1150 Motherboard | $129.99 @ SuperBiiz |
| Memory | Kingston 8GB (2 x 4GB) DDR3-1600 Memory | $38.70 @ SuperBiiz |
| Storage | Crucial BX100 250GB 2.5" Solid State Drive | $75.60 @ SuperBiiz |
| Storage | Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive | $49.49 @ OutletPC |
| Video Card | MSI Radeon R9 390 8GB Video Card | $319.98 @ SuperBiiz |
| Case | Fractal Design Define S ATX Mid Tower Case | $68.40 @ SuperBiiz |
| Power Supply | EVGA 750W 80+ Gold Certified Fully-Modular ATX Power Supply | $101.99 @ SuperBiiz |
| Operating System | Microsoft Windows 10 Home OEM (64-bit) | $89.75 @ OutletPC |
| Monitor | Acer H236HLbid 60Hz 23.0" Monitor | $132.98 @ Best Buy |
| Keyboard | Cooler Master CM Storm Devastator Gaming Bundle Wired Gaming Keyboard w/Optical Mouse | $26.99 @ NCIX US |
| Prices include shipping, taxes, rebates, and discounts | ||
| Total | $1217.86 | |
| Generated by PCPartPicker 2015-09-05 00:14 EDT-0400 |
When you say "basically everything", does that include overclocking/streaming on Twitch and that kind of stuff? If so, you'll need a 4790k or a Xeon (if you're not going to overclock).