Well you could go for a 2TB HDD for $99 and a 120GB SSD for $65 to make the system a bit faster.
960>370 while not much more expensive.
You should only need 500w for the build, you can upgrade to gold, full M if you prefer, no need to go over 650w unless you plan to use dual graphics cards.
No need for a full tower, a mid tower still has tons of room.
PCPartPicker part list / Price breakdown by merchant
| Type | Item | Price |
|---|---|---|
| CPU | Intel Core i5-6600K 3.5GHz Quad-Core Processor | $358.00 @ Umart |
| CPU Cooler | Noctua NH-D14 65.0 CFM CPU Cooler | $99.00 @ CPL Online |
| Motherboard | MSI Z170A GAMING M5 ATX LGA1151 Motherboard | $309.00 @ IJK |
| Memory | G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4-2400 Memory | $137.00 @ IJK |
| Storage | Kingston SSDNow V300 Series 120GB 2.5" Solid State Drive | $65.00 @ IJK |
| Storage | Seagate Barracuda 2TB 3.5" 7200RPM Internal Hard Drive | $99.00 @ Centre Com |
| Video Card | Asus GeForce GTX 960 2GB Video Card | $275.00 @ Centre Com |
| Case | Phanteks Enthoo Pro M ATX Mid Tower Case | $109.00 @ PCCaseGear |
| Power Supply | Antec High Current Gamer 520W 80+ Bronze Certified Semi-Modular ATX Power Supply | $104.00 @ CPL Online |
| Prices include shipping, taxes, rebates, and discounts | ||
| Total | $1555.00 | |
| Generated by PCPartPicker 2016-01-27 21:52 AEDT+1100 |